NSN 4520-00-516-4671, 4520005164671
Cancelled -> Replaced by 4520007204734

Federal Supply Classification: FSC 4520 - Space and Water Heating Equipment
National Item Identification Number: NIIN 005164671
Codification Country: United States
Item Name Code: INC 04846
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 4520-00-516-4671

National Stock Number (NSN) 4520-00-516-4671, or NIIN 005164671, (valve,radiator,heating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005164671 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4520007204734.

There are no manufacturer part numbers associated to this NSN.

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

This NSN is assigned to Item Name Code (INC) 04846. [A VALVE SPECIFICALLY DESIGNED FOR INSTALLATION IN THE SUPPLY LINE OF A HEATING RADIATOR. IT HAS A FEMALE INLET AND A GROUND JOINT UNION NUT WITH A MALE IRON PIPE THREADED TAILPIECE OUTLET.]. 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 4520005164671 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

BODY STYLE: (AAQL) A7 ANGLE
SECOND END THREAD SERIES DESIGNATOR: (CRPF) NPT
MANUFACTURERS CODE: (SR-1) 58536
BODY MATERIAL: (AAFZ) BRONZE, ASTM B61 AND BRONZE, ASTM B62
MAXIMUM OPERATING PRESSURE: (AAJJ) 125.0 POUNDS PER SQUARE INCH
FIRST END THREAD SERIES DESIGNATOR: (CQMM) NPT
OUTSIDE SURFACE TREATMENT: (AAJP) ANY ACCEPTABLE
BODY STYLE: (AAQL) ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST END STYLE DESIGNATOR: (ACKN) G11 PLAIN
FIRST END STYLE DESIGNATOR: (ACKN) PLAIN
SECOND END RELATIONSHIP WITH FIRST END: (ACLR) NOT IDENTICAL
SECOND END STYLE DESIGNATOR: (ACLT) PLAIN
VALVE OPERATION METHOD: (ADQW) WHEEL
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: (SR-1) A-A-50457
TEMP RATING: (ABJH) NOT RATED
FLOW CONTROL DEVICE MATERIAL: (ADQV) ANY ACCEPTABLE
MEDIA FOR WHICH DESIGNED: (ACKL) STEAM
SECOND END NOMINAL PIPE SIZE ACCOMMODATED: (ACMN) 0.750 INCHES
SECOND END CONNECTION TYPE: (ACLS) THREADED EXTERNAL PIPE
END CONNECTION QUANTITY: (ADQZ) 2
SPECIAL FEATURES: (FEAT) THREADS PER INCH ON BOTH ENDS IS 14
FIRST END CONNECTION TYPE: (ACKM) THREADED INTERNAL PIPE
FLOW CONTROL DEVICE: (ADQU) DISK, TOP GUIDED
SECOND END THREAD DIRECTION: (ACMS) RIGHT-HAND
STEM MATERIAL: (ABEP) BRASS OR BRONZE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: (ACLG) 0.750 INCHES
SECOND END STYLE DESIGNATOR: (ACLT) J6 PLAIN
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: (SR-1) A 50457-2B
FIRST END THREAD DIRECTION: (ACLL) RIGHT-HAND
SEAT MATERIAL: (ACSH) BRONZE, ASTM B61 AND BRONZE, ASTM B62