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NSN 4820-00-348-1754, 4820003481754
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 003481754
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 4820-00-348-1754

National Stock Number (NSN) 4820-00-348-1754, or NIIN 003481754, (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 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 4820003481754 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

HARDNESS RATING
(CQFM) 58.0 ROCKWELL C MINIMUM OVERALL AND 60.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR
(STYL) PLAIN
SEATING SURFACE SHAPE
(CQKM) ANGULAR
FSC APPLICATION DATA
(ZZZV) VALVE,LINEAR,DIRECTIONAL CONTROL,ACFT
SEAL ACCOMMODATION TYPE
(AJSH) GROOVED
BODY INSIDE DIAMETER
(ADAS) 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
SEAT ANGLE IN DEG
(AJSG) 45.000 NOMINAL
MATERIAL
(MATT) STEEL COMP 440C OVERALL
OVERALL HEIGHT
(ABKW) 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
BODY OUTSIDE DIAMETER
(ADAR) 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL

Manufacturer Part Numbers


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