4820-00-525-2359

Valve Seat email this page

Model or part number: 135746

Pricing & Availability

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Description

Valve Seat Insert NSN 4820-00-525-2359.

pdf NSN 4820-00-525-2359 Datasheet

MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.710 inches and 0.740 inches single threaded portion
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
Between 0.360 inches and 0.370 inches
MRC:
None.AJRF
Flange Seat To Disk End Height:
Between 0.810 inches and 0.830 inches
MRC:
None.AJRM
Under Flange Height:
Between 0.850 inches and 0.900 inches
MRC:
Indicates the type of seal accommodation included in or on the item.AJSH
Seal Accommodation Type:
Grooved
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
56 single threaded portion
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches single threaded portion
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Zzzv
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy 2024
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-a-225/6, t4 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:
Anodize
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-a-8625 military 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:
Uns single threaded portion
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:
Regulator, air pressure, aircraft cabin
MRC:
--
NIIN:
005252359
MRC:
--
NATO Stock Number:
4820-00-525-2359
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
MRC:
N/A
MIL-STD
MIL-A-8625 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.

Quality Commitment »

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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 4820-00-525-2359

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.

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:
E
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
00
MOP:
31
PKG:
16ZZ
PRES MAT:
00
WRAP MAT:
FA
ICQ:
AAA
THK:
0
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) E

Packing shall be accomplished to meet the performance test requirements of astm-d4169, distribution cycle 18, assurance level 1.

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) 31

Waterproof bag, sealed.

Cushion Material (CUSH) 00

No requirement.

Preservation Material (PRES_MAT) 00

No requirement.

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:
--
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
07/17
100.00

Manufacturers

This NSN is registered to the following cage codes.
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