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NSN 4820-00-399-2877, 4820003992877
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 003992877
Codification Country
United States
Item Name Code
INC 22113
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4820-00-399-2877

National Stock Number (NSN) 4820-00-399-2877, or NIIN 003992877, (seat,valve) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 22113. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820003992877 contains an unknown precious metal.

This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.

This information was last updated on .


Technical Characteristics

ERR DEFAULT
(AASA) 0.312 INCHES NOMINAL SINGLE THREADED PORTION
BODY INSIDE DIAMETER
(ADAS) 0.960 INCHES NOMINAL
FLANGE DIAMETER
(ABKK) 1.878 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.170 INCHES NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE
(CQJX) 1.625 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPE
(CQKM) FLAT
SPECIAL FEATURES
(FEAT) W/TWO WRENCHING LUGS ON TOP OF SEAT 180 DEG APART
STYLE DESIGNATOR
(STYL) THREADED FLANGED
THREAD CLASS
(AAJD) 2A SINGLE THREADED PORTION
THREAD LENGTH
(AASA) 0.312 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR
(THSD) UNEF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT
(AJRM) 0.375 INCHES NOMINAL

Manufacturer Part Numbers


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