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NSN 4820-00-591-3999, 4820005913999
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 005913999
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 4820-00-591-3999

National Stock Number (NSN) 4820-00-591-3999, or NIIN 005913999, (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 10 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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 4820005913999 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 INSIDE DIAMETER
(ADAS) 0.750 INCHES NOMINAL
FLANGE DIAMETER
(ABKK) 1.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.500 INCHES NOMINAL
MATERIAL
(MATT) STEEL COMP 303 OVERALL
NOMINAL THREAD SIZE
(CQJX) 1.000 INCHES SINGLE THREADED PORTION
SEATING SURFACE SHAPE
(CQKM) FLAT
SEAL ACCOMMODATION TYPE
(AJSH) RECESSED
STYLE DESIGNATOR
(STYL) THREADED FLANGED
SPECIAL FEATURES
(FEAT) SLOTTED SKIRT
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
THREAD CLASS
(AAJD) 3A SINGLE THREADED PORTION
THREAD LENGTH
(AASA) 0.325 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR
(THSD) UNEF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT
(AJRM) 0.345 INCHES NOMINAL
ERR DEFAULT
(AASA) 0.325 INCHES NOMINAL SINGLE THREADED PORTION

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