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NSN 4820-00-478-5798, 4820004785798
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 004785798
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4820-00-478-5798

National Stock Number (NSN) 4820-00-478-5798, or NIIN 004785798, (valve,safety relief) was assigned January 15, 1971 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. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 4 contracts issued for this part number, with 4 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: SPE7L524P0653, SPE7MC24P0505, SPE7M020P2565, SPM7M112V9406. The total value of the awarded contracts has been US$ 16,535.72.

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 09, 2016, 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 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 4820004785798 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) +30.0/+100.0 POUNDS PER SQUARE INCH
DISK LOADING METHOD
(ADSU) SPRING
ADJUSTABLE PRESSURE RANGE
(CQCY) +30.0 TO 100.0 POUNDS PER SQUARE INCH
CONNECTION STYLE
(AHNC) PLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPE
(AWLS) THREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE
(ADQU) DISK
NOMINAL THREAD SIZE
(CQJX) 1.000 INCHES ALL ENDS
MATERIAL
(MATT) COPPER ALLOY OVERALL
MAXIMUM OPERATING PRESSURE
(CQGM) 30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
THREAD DIRECTION
(AAJF) RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) NPT ALL ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) ANGLE
CONNECTION STYLE
(AHNC) G9 PLAIN,OPTIONAL END(PIPE) ALL ENDS
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers

12510617

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5
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2400341

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4C310

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5
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VB5WS

RNCC
5
RNVC
9
2400341

RNCC
3
RNVC
2
VB5SSWS

RNCC
5
RNVC
9

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