4730-00-278-8392

Boss Reducer email this page

Model or part number: VSF1279F0806

Stock Availability  condition code chart

This product is available in the following quantities and conditions.

  • NS: 259
  • NE: 1162
  • AR: 1
  • SV: 1
  • OH: 1

Total: 1424 Note: Availability of this item was last updated 04/22/2021, and may have changed since then. Request a quote for up to date pricing and availability.

Pricing & Availability

Submit this form for current pricing and availability of this NSN.
Part / NSN:
Qty:
Your Email:
Phone:
Ref. / PO #:
Company:
Your Name:

We do not share or sell your information to anyone.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards

About this product
Used on grumman aircraft,model a10

pdf NSN 4730-00-278-8392 Datasheet

MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a all ends
MRC:
Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).ACSP
Reducer Type:
Concentric
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
225.0 degrees fahrenheit single response
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
2350-01-031-0586
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.AHNC
Connection Style:
External seat for gasket seal (boss) all ends
MRC:
Indicates the type of connection/s/.AWLS
Connection Type:
Threaded external boss all ends
MRC:
The maximum pressure at which the item is rated for operation.CQGM
Maximum Operating Pressure:
3000.0 pounds per square inch single response
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.750 inches 1st end
MRC:
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.CWFR
Nominallength:
1.344 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1137 or steel comp 4130 or steel comp 1141
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Qq-s637 federal specification 1st material response and mil-s-6758 military specification 2nd material response
MRC:
The type of media for which the item is designed.MEDA
Media For Which Designed:
Oxygen, gaseous 2nd response
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Cadmium
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Qq-p-416, type 2, cl 2 federal specification single treatment response
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Unjf all ends
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
96906-ms21916 government standard
MRC:
--
NIIN:
002788392
MRC:
--
NATO Stock Number:
4730-00-278-8392
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
MRC:
N/A
MIL-STD
MIL-S-6758 Spec.
FIIG:
--
FIIG:
A080B0
MRC:
--
INC:
23541
MRC:
--
IMM:
AX
Certified products icon

All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

Quality inspections icon

Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

Quality Commitment »

Shipping icon

Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

End Items and Platforms

End items to which this NSN is a component of.
  • 2350-01-031-0586
  • Hydraulic Drive Unit
  • Aircraft Hydraulic Valve Assembly
  • Arresting Engine
  • Self-propelled Medium Howitzer
  • Electromechanical Actuator Testing Machine
  • Circuit Card Assembly
  • Full Tracked Recovery Vehicle
  • Aircraft Fluid Manifold
  • Full Tracked Combat Engineer Vehicle
  • Nonaircraft Gas Turbine Engine
  • Aircraft Arresting Barrier Absorber
  • Selector Rotary Valve

Parts and Components for Self-propelled Medium Howitzer NSN 2350-01-031-0586 Parts and components for this end application.

NSN Component Description
NSN 4730-00-004-4265 Tube Fitting Clinch Sleeve
NSN 4710-00-010-4038 Metallic Bent Tube
NSN 1025-00-020-5620 Gun Dust Retainer
NSN 4730-00-025-7508 Tube Coupling Nut
NSN 4730-00-038-7015 Tube Coupling Nut
NSN 4730-00-048-7642 Tube Reducer
NSN 3020-00-083-5782 Gear Sector Cluster
NSN 3020-00-083-5784 Spur Gear Sector
NSN 1025-00-110-9788 Power Pack Support
NSN 1025-00-111-2741 Rammer Bumper
NSN 4710-00-126-9948 Metallic Bent Tube
NSN 2510-00-133-7971 Cupola Drawer Latch
NSN 2540-00-133-7978 Block Latch Special Lock
NSN 1025-00-133-8055 Handle Door Mounting
NSN 4730-00-136-3153 Tube Cap
NSN 1025-00-177-9820 Gunners Control Sleeve
NSN 5340-00-179-5457 Mounting Plate
NSN 1025-00-179-5467 Power Pack Retainer
NSN 1025-00-183-7675 Bearing Assembly
NSN 4730-00-185-7953 Tube Coupling
NSN 1025-00-235-3466 Buffer Cylinder Coupling Block
NSN 4710-00-235-3467 Metallic Tube And Fittings
NSN 4730-00-277-9731 Tube Fitting Clinch Sleeve
NSN 4730-00-278-8392 Boss Reducer
NSN 4730-00-289-1933 Pipe To Tube Straight Adapter
NSN 4730-00-322-8456 Pipe To Tube Straight Adapter
NSN 4710-00-400-6900 Metallic Bent Tube
NSN 2540-00-404-0759 Stowage Bracket
NSN 4710-00-455-1407 Metallic Bent Tube
NSN 4710-00-472-4432 Metallic Bent Tube
NSN 4710-00-474-7005 Metallic Bent Tube
NSN 4730-00-554-8015 Tube Coupling Nut
NSN 4730-00-555-8330 Pipe To Tube Tee
NSN 4730-00-684-3569 Tube Coupling Nut
NSN 3040-00-689-3411 Mechanical Drive Housing

Formal Definition

Government issue definition of NSN 4730-00-278-8392

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
XX
MOP:
20
PKG:
18ZZ
PRES MAT:
XX
WRAP MAT:
XX
ICQ:
AAA
THK:
X
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) 20

Preservative coating only (with greaseproof wrap, as required).

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
7307994000
NAICS:
332919
End Use Class:
12110
SITC:
67959
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 7307994000

Other Fittings Nesoi Of Alloy Steel Not Stainless

End Use Code 12110

Iron and Steel Products, Other

Standard Intl. Trade Class (SITC) 67959

Iron and Steel Tube and Pipe Fittings, N.e.s.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
052190
NMF Description:
Or Pipe Or Tubing Fitti Tubing Pipe
UFC:
30000
LTL:
Rating variable
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ADC:
A
ACC:
B

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 576

Metal and metal products, nos, (less than 35 feet).

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
Compare Now »
Clear | Hide