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NSN 4820-00-107-1822, 4820001071822
VALVE,RELIEF,PRESSURE AND TEMPER

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 001071822
Codification Country
United States
Item Name Code
INC 16996
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 4820-00-107-1822

National Stock Number (NSN) 4820-00-107-1822, or NIIN 001071822, (valve,relief,pressure and temper) was assigned July 24, 1968 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 16996. [A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.]. 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 4820001071822 contains an unknown precious metal.

This NSN is associated to Schedule B 8481400000: safety or relief valves. 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

MATERIAL
(MATT) UNABLE TO DECODE
VALVE DISCHARGE FLOW RATE
(ADSY) NOT RATED
TEMP RATING
(ABJH) -65.0 DEG FAHRENHEIT AND 238.0 DEG FAHRENHEIT
TEMP RATING
(ABJH) 238.0 DEG FAHRENHEIT
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR
(ACLJ) 0.438-20 UNF
UNABLE TO DECODE
(ACLJ) UNABLE TO DECODE
TEMP CONTROL DEVICE TYPE
(AFKX) THERMOSTATIC
BODY MATERIAL
(AAFZ) ALUMINUM ALLOY
END CONNECTION QUANTITY
(ADQZ) 2
BULB DIAMETER
(AEVV) 0.320 INCHES NOMINAL
BULB LENGTH
(AEVU) 1.400 INCHES NOMINAL
FIRST END CONNECTION TYPE
(ACKM) THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR
(ACKN) FLARED
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED
(ACLH) 0.250 INCHES NOMINAL
FIRST END SEAT ANGLE IN DEG
(ACTE) 37.0
FIRST END THREAD DIRECTION
(ACLL) RIGHT-HAND
FIRST END THREAD CLASS
(ACLK) 3A
MATERIAL
(MATT) ALUMINUM ALLOY BODY
MEDIA FOR WHICH DESIGNED
(ACKL) AIR
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) IDENTICAL
TEMP ADJUSTABILITY
(AEVX) NOT ADJUSTABLE
TEMP CONTROL DEVICE TYPE
(AZFX) THERMOSTATIC
TEMP RATING
(ABJH) -65.0 FAHRENHEIT AND 238.0 FAHRENHEIT

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