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NSN 4820-00-399-4472, 4820003994472
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 003994472
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 4820-00-399-4472

National Stock Number (NSN) 4820-00-399-4472, or NIIN 003994472, (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 are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2014, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 4820003994472 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) 0.688 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM
FLANGE DIAMETER
(ABKK) 1.563 INCHES MINIMUM AND 1.573 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.477 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-853,CLASS 3,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) COBALT ALLOY FACE
MATERIAL
(MATT) STEEL BODY
SEAT RADIUS
(AJFZ) 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
SEATING SURFACE SHAPE
(CQKM) RADIAL
STYLE DESIGNATOR
(STYL) PLAIN FLANGED
TAPER LENGTH
(ABND) 0.376 INCHES NOMINAL
TAPER MAJOR DIAMETER
(ABQB) 0.688 INCHES NOMINAL
TAPER MINOR DIAMETER
(ABQA) 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
UNDER FLANGE HEIGHT
(AJRM) 1.329 INCHES MINIMUM AND 1.335 INCHES MAXIMUM
TAPER LENGTH
(ABND) 0.376 NOMINAL INCHES
MATERIAL
(MATT) ROD,WELDING,SURFACING FACE
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.477 NOMINAL MILS AND 0.483 NOMINAL CENTIMETERS

Manufacturer Part Numbers


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