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NSN 4820-01-236-5974, 4820012365974
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 012365974
Codification Country
United States
Item Name Code
INC 05488
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4820-01-236-5974

National Stock Number (NSN) 4820-01-236-5974, or NIIN 012365974, (valve,safety relief) was assigned July 18, 1986 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. 3 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, 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 Jun 17, 2016. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7MC16M6598, SPE7MC16M0735, SPE7MC16M0735, SPE7MC16M0735, SPE7MC16M0735. The total value of the awarded contracts has been US$ 196,529.50.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of 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$ 144,226. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 23, 2015, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 but does have other critical feature(s) 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 4820012365974 does not contain precious metals.

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

STYLE DESIGNATOR
(STYL) ERR-090
ADJUSTABLE PRESSURE RANGE
(CQCY) +27.0/+33.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE
(CQCY) +27.0 TO 33.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHOD
(ADST) BOLTED
BONNET TYPE
(ADSR) INSIDE SCREW
CONNECTION TYPE
(AWLS) UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE
(AHNC) SOCKET WITH BRAZING RING ALL ENDS
CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
DISK LOADING METHOD
(ADSU) SPRING
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 LEVER
END ITEM IDENTIFICATION
(AGAV) SPRUANCE CLASS DD (963)
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL
(MATT) NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL
(MATT) NICKEL ALLOY SEAT
MATERIAL
(MATT) NICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE
(CQGM) 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 250.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 1.000 INCHES ALL ENDS
SPECIAL FEATURES
(FEAT) WEAPON SYSTEM ESSENTIAL
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) ANGLE

Manufacturer Part Numbers


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