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NSN 4820-00-544-6958, 4820005446958
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 005446958
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 4820-00-544-6958

National Stock Number (NSN) 4820-00-544-6958, or NIIN 005446958, (seat,valve) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 Jul 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 4820005446958 does not contain precious metals.

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) 0.484 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 1.109 INCHES NOMINAL
FLANGE DIAMETER
(ABKK) 1.359 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.375 INCHES NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPE
(CQKM) FLAT
UNDER FLANGE HEIGHT
(AJRM) 0.250 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) PLAIN FLANGED

Manufacturer Part Numbers

1422N

RNCC
3
RNVC
9
1422N

RNCC
5
RNVC
9
VAL207

RNCC
5
RNVC
9
VAL207

RNCC
5
RNVC
9
1422N

RNCC
C
RNVC
1
1422N

RNCC
C
RNVC
1

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