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NSN 4820-00-346-6529, 4820003466529
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 003466529
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.
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DLMS® Summary

National Stock Number 4820-00-346-6529

National Stock Number (NSN) 4820-00-346-6529, or NIIN 003466529, (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 are 6 manufacturer part numbers associated with this NSN. 4 of those 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 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 4820003466529 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

BODY STEPPED INSIDE DIAMETER
(CQKW) 1.436 INCHES MINIMUM AND 1.440 INCHES MAXIMUM THIRD STEP
BODY STEPPED INSIDE DIAMETER
(CQKW) 1.558 INCHES MINIMUM AND 1.568 INCHES MAXIMUM SECOND STEP
BODY STEPPED INSIDE DIAMETER
(CQKW) 1.695 INCHES MINIMUM AND 1.697 INCHES MAXIMUM FIRST STEP
FLANGE DIAMETER
(ABKK) 2.188 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.438 INCHES NOMINAL
NOMINAL THREAD SIZE
(CQJX) 2.000 INCHES SINGLE THREADED PORTION
MATERIAL
(MATT) COBALT ALLOY OVERALL
SEATING SURFACE SHAPE
(CQKM) FLAT
THREAD CLASS
(AAJD) 2A SINGLE THREADED PORTION
THREAD LENGTH
(AASA) 0.438 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH
(CMLP) 16 SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR
(THSD) UN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT
(AJRM) 0.438 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) THREADED FLANGED
ERR DEFAULT
(AASA) 0.438 INCHES NOMINAL SINGLE THREADED PORTION

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