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NSN 4820-01-216-8844, 4820012168844
SEAT,VALVE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012168844
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.
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DLMS® Summary

National Stock Number 4820-01-216-8844

National Stock Number (NSN) 4820-01-216-8844, or NIIN 012168844, (seat,valve) was assigned September 18, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 1991, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 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 4820012168844 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

HARDNESS RATING
(CQFM) NOT RATED
BODY INSIDE DIAMETER
(ADAS) 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
FLANGE DIAMETER
(ABKK) 1.795 INCHES MINIMUM AND 1.805 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT
(AJRF) 0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM,USN ALLOY S30300,COND A ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL
(MATT) STEEL COMP 303 SEAT
NOMINAL THREAD SIZE
(CQJX) 1.500 INCHES SINGLE THREADED PORTION
SEAL ACCOMMODATION TYPE
(AJSH) GROOVED
SEAT ANGLE IN DEG
(AJSG) 44.000 MINIMUM AND 44.500 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
SPECIAL FEATURES
(FEAT) INTERNAL SOCKET 0.750 INCH HEXAGON FOR USE WITH INSERTED DRIVER
THREAD CLASS
(AAJD) 2A SINGLE THREADED PORTION
THREAD LENGTH
(AASA) 1.066 INCHES NOMINAL SINGLE THREADED PORTION
THREAD SERIES DESIGNATOR
(THSD) UNEF SINGLE THREADED PORTION
UNDER FLANGE HEIGHT
(AJRM) 0.066 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) THREADED FLANGED

Manufacturer Part Numbers


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