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NSN 4820-01-127-3849, 4820011273849
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 011273849
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 4820-01-127-3849

National Stock Number (NSN) 4820-01-127-3849, or NIIN 011273849, (valve,safety relief) was assigned February 27, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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 Jul 19, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M211MV362. The total value of the awarded contracts has been US$ 26,967.68.

This NSN is somewhat common among different platforms, belonging to 2 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, 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 data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. 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 4820011273849 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

DISK LOADING METHOD
(ADSU) SPRING
END ITEM IDENTIFICATION
(AGAV) LOS ANGELES CLASS SSN(688)
ADJUSTABLE PRESSURE RANGE
(CQCY) +66.0 TO 75.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHOD
(ADST) BOLTED
BONNET TYPE
(ADSR) INSIDE SPRING
CONNECTION STYLE
(AHNC) GASKET SEAL (PIPE) ALL ENDS
CONNECTION TYPE
(AWLS) UNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) COPPER ALLOY BODY
MATERIAL
(MATT) NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL
(MATT) NICKEL ALLOY SEAT
MATERIAL
(MATT) STEEL COMP 316 STEM
MAXIMUM OPERATING TEMP
(AEHZ) 165.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE
(CQGM) 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) AIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNED
(MEDA) GAS, INERT 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 1.000 INCHES ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) ANGLE
STYLE DESIGNATOR
(STYL) ERR-090
CONNECTION STYLE
(AHNC) G31 GASKET SEAL (PIPE) ALL ENDS
ADJUSTABLE PRESSURE RANGE
(CQCY) +66.0/+75.0 POUNDS PER SQUARE INCH

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