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NSN 4820-01-395-5284, 4820013955284
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 013955284
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 4820-01-395-5284

National Stock Number (NSN) 4820-01-395-5284, or NIIN 013955284, (valve,safety relief) was assigned August 31, 1994 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. 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, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, this NSN's acquisition method was noted as: Not established. Not established.

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 4820013955284 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) +66.0 TO 75.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER
(CWCT) 3.125 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER
(CWCQ) 0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY
(AECS) 4 ALL ENDS
CONNECTION TYPE
(AWLS) FLANGE ALL ENDS
DISK LOADING METHOD
(ADSU) SPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
(CWCL) 3.500 INCHES
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT ALL ENDS
FLANGE SHAPE
(ARKN) ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE
(ADQU) DISK
MATERIAL
(MATT) STEEL COMP 303 FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL COMP 303 SEAT
MATERIAL
(MATT) STEEL COMP 303 STEM
MATERIAL
(MATT) STEEL UNS J03002 BODY
MAXIMUM OPERATING TEMP
(AEHZ) 500.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.250 INCHES ALL ENDS
NOMINAL THICKNESS
(CWCK) 0.562 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER
(CWDL) 1.938 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT
(CWDH) 0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE
(CWCR) 3.250 INCHES
STYLE DESIGNATOR
(STYL) ANGLE FLANGED ENDS
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
VALVE SIZE
(CCFG) 1.000 INCHES
ADJUSTABLE PRESSURE RANGE
(CQCY) +66.0/+75.0 POUNDS PER SQUARE INCH
MAXIMUM OPERATING TEMP
(AEHZ) 500.0 DEG FAHRENHEIT SINGLE RESPONSE
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


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