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NSN 4820-01-469-6811, 4820014696811
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 014696811
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 4820-01-469-6811

National Stock Number (NSN) 4820-01-469-6811, or NIIN 014696811, (valve,safety relief) was assigned November 18, 1999 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. One 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.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2014, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 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 4820014696811 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
CONNECTION TYPE
(AWLS) UNTHREADED INTERNAL PIPE ALL ENDS
END ITEM IDENTIFICATION
(AGAV) SEAWOLF CLASS SSN
FIRST CONNECTION FACE TO CENTERLINE DISTANCE
(CWCL) 4.750 INCHES
FLANGE FACE DESIGN
(CWDF) RAISED STRAIGHT ALL ENDS
FLANGE SHAPE
(ARKN) ROUND ALL ENDS
FLOW CONTROL DEVICE
(ADQU) DISK
OPENING PRESSURE SETTING
(CSDC) 15.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A216 WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A479 TY 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A479 TY 316 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A351 GR CF8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL
(MATT) STEEL COMP 316 FLOW CONTROL DEVICE
MATERIAL
(MATT) STEEL COMP 316 STEM
MATERIAL
(MATT) STEEL UNS J03002 BODY
MATERIAL
(MATT) STEEL UNS J92900 SEAT
MAXIMUM OPERATING PRESSURE
(CQGM) 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 600.0 DEG FAHRENHEIT SINGLE RESPONSE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE
(CWCR) 4.750 INCHES
SPECIAL FEATURES
(FEAT) SPRING MATERIAL IS STAINLESS STEEL IAW ASTM A-313
VALVE SIZE
(CCFG) 1.500 INCHES
STYLE DESIGNATOR
(STYL) ANGLE FLANGED ENDS
STYLE DESIGNATOR
(STYL) ERR-090

Manufacturer Part Numbers


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