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NSN 4820-00-036-1950, 4820000361950
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 000361950
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 4820-00-036-1950

National Stock Number (NSN) 4820-00-036-1950, or NIIN 000361950, (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 3 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 21, 2007, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 4820000361950 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) 1.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 1.904 INCHES NOMINAL
FLANGE DIAMETER
(ABKK) 2.250 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.470 INCHES NOMINAL
MATERIAL
(MATT) STEEL OVERALL
NOMINAL THREAD SIZE
(CQJX) 2.250 INCHES SINGLE THREADED PORTION
SEAT ANGLE IN DEG
(AJSG) 43.717 NOMINAL
SEATING SURFACE SHAPE
(CQKM) ANGULAR
STYLE DESIGNATOR
(STYL) PLAIN FLANGED
SURFACE TREATMENT
(SFTT) OXIDE OVERALL
THREAD CLASS
(AAJD) 2A SINGLE THREADED PORTION
THREAD LENGTH
(AASA) 0.230 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR
(THSD) UNS SINGLE THREADED PORTION
THREAD QUANTITY PER INCH
(CMLP) 18 SINGLE THREADED PORTION
UNDER FLANGE HEIGHT
(AJRM) 0.965 INCHES NOMINAL

Manufacturer Part Numbers


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