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NSN 4820-00-825-0988, 4820008250988
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 008250988
Codification Country
United States
Item Name Code
INC 05488
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 4820-00-825-0988

National Stock Number (NSN) 4820-00-825-0988, or NIIN 008250988, (valve,safety relief) was assigned August 23, 1967 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. One of those 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, with the most recent procurement date of Nov 17, 2014. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M515V0722, SPM7MC13M0323, SPM7MC13M0323. The total value of the awarded contracts has been US$ 15,722.84.

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,185. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05488. [A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES:VALVE (1), RELIEF, PRESSURE AND 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 4820008250988 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

ADJUSTABLE PRESSURE RANGE
(CQCY) +0.0 TO 200.0 POUNDS PER SQUARE INCH
CONNECTION TYPE
(AWLS) THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE
(AHNC) PLAIN (PIPE) ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 DEFLECTOR CAP
FLOW CONTROL DEVICE
(ADQU) POPPET
MATERIAL
(MATT) COPPER ALLOY OVERALL
MAXIMUM OPERATING PRESSURE
(CQGM) 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSEACETYLENE 2ND RESPONSEAMMONIA, GASEOUS 3RD RESPONSEREFRIGERANT 12 4TH RESPONSEHYDROGEN 5TH RESPONSE
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES ALL ENDS
OPENING PRESSURE SETTING
(CSDC) 4.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) STRAIGHT THRU
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) ERR-090
ADJUSTABLE PRESSURE RANGE
(CQCY) +0.0/+200.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION STYLE
(AHNC) G46B PLAIN (PIPE) ALL ENDS

Manufacturer Part Numbers


Related Inventory

08-035-248
Condition FN
HS 49/64X3/4X1-
Readily Available
RV05-141
4820008250988
Condition NS
VALVE
Readily Available


 
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