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NSN 4820-01-315-3226, 4820013153226
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 013153226
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 4820-01-315-3226

National Stock Number (NSN) 4820-01-315-3226, or NIIN 013153226, (valve,safety relief) was assigned February 14, 1990 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over a year. 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: SPE7M222P0282. The total value of the awarded contracts has been US$ 14,310.00.

This NSN is somewhat common among different platforms, belonging to 5 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 Apr 26, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 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 4820013153226 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

ADJUSTABLE PRESSURE RANGE
(CQCY) +119.0/+143.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR
(STYL) ERR-090
MAXIMUM OPERATING TEMP
(AEHZ) 165.0 DEG FAHRENHEIT SINGLE RESPONSE
END ITEM IDENTIFICATION
(AGAV) FORRESTAL CLASS CV
ADJUSTABLE PRESSURE RANGE
(CQCY) +119.0 TO 143.0 POUNDS PER SQUARE INCH
CONNECTION TYPE
(AWLS) UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE
(AHNC) SOCKET WITH BRAZING RING ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) COPPER ALLOY 360 FLOW CONTROL DEVICE
MATERIAL
(MATT) COPPER ALLOY 922 BODY
MATERIAL
(MATT) STEEL COMP 304 SEAT
MATERIAL
(MATT) STEEL COMP 304 STEM
MAXIMUM OPERATING PRESSURE
(CQGM) 440.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 165.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.500 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED
(AAAR) 0.750 INCHES 1ST END
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 1/2 SIZE
SPECIFICATION/STANDARD DATA
(ZZZK) 81349-MIL-V-22549 GOVERNMENT SPECIFICATION
STYLE DESIGNATOR
(STYL) ANGLE
VALVE OPERATION METHOD
(AQLR) AUTOMATIC

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