ISO Group Logo
Defense and Aerospace
Supply Chain Partner
A Dynatech International Company


NSN 4820-00-794-1776, 4820007941776
VALVE,SAFETY RELIEF

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 007941776
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: Request Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know
  CALL ABOUT NSN 4820-00-794-1776
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 4820-00-794-1776


Have a list that needs to be quoted? Upload it here.

DLMS® Summary

National Stock Number 4820-00-794-1776

National Stock Number (NSN) 4820-00-794-1776, or NIIN 007941776, (valve,safety relief) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier 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 Apr 25, 2008, 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 4820007941776 contains an unknown precious metal.

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

CONNECTION STYLE
(AHNC) G4 GASKET SEAL(BOSS) ALL ENDS
STYLE DESIGNATOR
(STYL) ERR-090
DISK LOADING METHOD
(ADSU) SPRING
ADJUSTABLE PRESSURE RANGE
(CQCY) +10.0 TO 200.0 POUNDS PER SQUARE INCH
BONNET TYPE
(ADSR) INSIDE SPRING
BONNET ATTACHMENT METHOD
(ADST) THREADED
CONNECTION STYLE
(AHNC) GASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPE
(AWLS) THREADED INTERNAL BOSS 1ST END
CONNECTION TYPE
(AWLS) THREADED INTERNAL BOSS 2ND END
FEATURES PROVIDED
(CBBL) BONNET PACKING
FLOW CONTROL DEVICE
(ADQU) POPPET
NOMINAL THREAD SIZE
(CQJX) 0.562 INCHES 2ND END
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES 1ST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MATERIAL
(MATT) ALUMINUM ALLOY 2024 SEAT
MATERIAL
(MATT) ALUMINUM ALLOY 2024 STEM
MATERIAL
(MATT) ALUMINUM ALLOY 208.0 BODY OR ALUMINUM ALLOY 319.0 BODY OR ALUMINUM ALLOY 328.0 BODY
MOUNTING FACILITY
(AZGM) THREADED FASTENER
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.375 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.500 INCHES 1ST END
THREAD CLASS
(AAJD) 3B 1ST END
THREAD CLASS
(AAJD) 3B 2ND END
THREAD DIRECTION
(AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION
(AAJF) RIGHT-HAND 2ND END
THREAD QUANTITY PER INCH
(CMLP) 18 2ND END
THREAD SERIES DESIGNATOR
(THSD) UNF 1ST END
THREAD SERIES DESIGNATOR
(THSD) UNF 2ND END
VALVE OPERATION METHOD
(AQLR) AUTOMATIC
STYLE DESIGNATOR
(STYL) ANGLE
ADJUSTABLE PRESSURE RANGE
(CQCY) +10.0/+200.0 POUNDS PER SQUARE INCH

Manufacturer Part Numbers


Related Inventory



 
Top