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NSN 4820-00-083-4369, 4820000834369
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 000834369
Codification Country
United States
Item Name Code
INC 22113
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820-00-083-4369

National Stock Number (NSN) 4820-00-083-4369, or NIIN 000834369, (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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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, with the most recent procurement date of Sep 07, 2010. There have been 6 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPM7M010M8040, SPM7M010M8040, SPM7M010M8040, N0038307G006H, N0038307G006H. The total value of the awarded contracts has been US$ 33,527.14.

There has been a small amount of 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 Apr 25, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 but does have other critical feature(s) 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 4820000834369 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) 0.531 NOMINAL INCHES THIRD STEP
MATERIAL
(MATT) STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL
BODY OUTSIDE DIAMETER
(ADAR) 0.932 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER
(CQKW) 0.531 INCHES NOMINAL THIRD STEP
BODY STEPPED INSIDE DIAMETER
(CQKW) 0.685 INCHES NOMINAL SECOND STEP
BODY STEPPED INSIDE DIAMETER
(CQKW) 0.6675 INCHES MINIMUM AND 0.6680 INCHES MAXIMUM FIRST STEP
CRITICALITY CODE JUSTIFICATION
(CRTL) CQKW
FLANGE DIAMETER
(ABKK) 1.160 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.218 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 302 OR STEEL COMP 303 OVERALL
SEAT ANGLE IN DEG
(AJSG) 27.000 NOMINAL
SEATING SURFACE SHAPE
(CQKM) ANGULAR
UNDER FLANGE HEIGHT
(AJRM) 0.942 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) PLAIN FLANGED
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
BODY STEPPED INSIDE DIAMETER
(CQKW) 0.6675 NOMINAL MILS FIRST STEP AND 0.6680 NOMINAL CENTIMETERS FIRST STEP
BODY STEPPED INSIDE DIAMETER
(CQKW) 0.685 NOMINAL INCHES SECOND STEP
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.218 NOMINAL INCHES

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