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NSN 4820-01-245-8869, 4820012458869
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012458869
Codification Country
United States
Item Name Code
INC 22113
Criticality
(C) This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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 4820-01-245-8869

National Stock Number (NSN) 4820-01-245-8869, or NIIN 012458869, (seat,valve) was assigned December 6, 1986 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers 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, 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2019, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012458869 does not contain precious metals.

This information was last updated on .


Technical Characteristics

BODY OUTSIDE DIAMETER
(ADAR) 1.052 INCHES MINIMUM AND 1.057 INCHES MAXIMUM
BODY INSIDE DIAMETER
(ADAS) 0.562 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.085 INCHES NOMINAL
SEAT ANGLE IN DEG
(AJSG) 35.000 NOMINAL
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
SPECIFICATION/STANDARD DATA
(ZZZK) 81349-MIL-I-45208 GOVERNMENT SPECIFICATION AND 96906-MIL-STD-129 GOVERNMENT STANDARD
MATERIAL
(MATT) PLASTIC POLYTETRAFLUOROETHYLENE SEAT
STYLE DESIGNATOR
(STYL) PLAIN FLANGED
FLANGE DIAMETER
(ABKK) 1.240 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
SEATING SURFACE SHAPE
(CQKM) ANGULAR
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
UNDER FLANGE HEIGHT
(AJRM) 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM

Manufacturer Part Numbers


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