4820-01-254-2983

Valve Seat email this page

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Reference images of this national stock number
Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983 Reference of NSN 4820-01-254-2983

Model or part number: T21486-1

Pricing & Availability

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Description

Valve Seat Insert NSN 4820-01-254-2983.

pdf NSN 4820-01-254-2983 Datasheet

MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
0.486 inches
MRC:
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.ADAR
Body Outside Diameter:
0.486 inches
MRC:
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.ADAS
Body Inside Diameter:
0.200 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
B-1b aircraft
MRC:
None.AJRF
Flange Seat To Disk End Height:
0.080 inches
MRC:
None.AJRM
Under Flange Height:
0.230 inches
MRC:
The angle of the end surface upon which the mated surface seats,expressed in degrees.AJSG
Seat Angle In Deg:
30.000
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
56.0 rockwell c and 60.0 rockwell c
MRC:
The physical configuration of the surface of the seat.CQKM
Seating Surface Shape:
Angular
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 440a
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-s-763 federal specification single material 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:
Phosphate
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:
Mil-s-5002 military specification single treatment response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain flanged
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Aircraft hydraulic vacuum deicing systems
MRC:
--
NIIN:
012542983
MRC:
--
NATO Stock Number:
4820-01-254-2983
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
MRC:
N/A
MIL-STD
MIL-S-5002 Spec.
FIIG:
--
FIIG:
A15500
MRC:
--
INC:
22113
MRC:
--
IMM:
AX 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.

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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.

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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.

Formal Definition

Government issue definition of NSN 4820-01-254-2983

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Recent Solicitations Most recent solicitations for NSN 4820-01-254-2983

End Date
Solicitation
Qty
Purchase Request
End Date:
2018-11-14
Solicitation:
SPE4A519T3592
Qty:
9
Purchase Request:
0077064392
End Date:
2018-07-12
Solicitation:
SPE4A518T07Z7
Qty:
6
Purchase Request:
0075182618
End Date:
2017-01-20
Solicitation:
SPE4A517T8015
Qty:
5
Purchase Request:
0066498569

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:
--
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:
00
MOP:
20
PKG:
18ZZ
PRES MAT:
06
WRAP MAT:
00
ICQ:
AAA
THK:
0
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).

Cushion Material (CUSH) 00

No requirement.

Preservation Material (PRES_MAT) 06

Mil-c-11796, class 3, light preservative compound, soft film, hot application.

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:
8481909090
NAICS:
332911
End Use Class:
21180
SITC:
74790
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481909090

Parts Of Taps, Cocks, Valves and Similar Appliances, Nesoi

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74790

Parts For Taps, Cocks, Valves and Similar Appliances For Pipes, Boiler Shells, Tanks, Etc.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
133300
NMF Description:
Machinery/machines Noi
UFC:
63220
LTL:
Rating variable
LCL:
85.0
WCC:
594
TCC:
Z
SHC:
Z
ADC:
A
ACC:
A

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) A

Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft.

Air Dimensions (ADC) A

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

Air Special Handling (SHC) Z

Other or no special handling required (sh)

DLA History / Forecast Quantities

Aviation Supply Chain
06/1711/1812/18
5.005.006.00

Manufacturers

This NSN is registered to the following cage codes.
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