NSN 5306-00-265-0807, 5306002650807
BOLT,SQUARE NECK

Federal Supply Classification: FSC 5306 - Bolts
National Item Identification Number: NIIN 002650807
Codification Country: United States
Item Name Code: INC 15939
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 5306-00-265-0807

National Stock Number (NSN) 5306-00-265-0807, or NIIN 002650807, (bolt,square neck) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002650807 was cancelled on June 15, 2019, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5306000891425. This NSN does not replace any other NSNs.

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) 15939. [A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, WITH A SQUARE NECK DIRECTLY BENEATH THE HEAD.]. 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 5306002650807 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

MINIMUM TENSILE STRENGTH: (CQBC) 55000 POUNDS PER SQUARE INCH
THREAD DIRECTION: (AAJF) RIGHT-HAND
FASTENER LENGTH: (AASB) 5.000 INCHES NOMINAL
HEAD DIAMETER: (AASL) 1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM
THREAD QUANTITY PER INCH: (CMLP) 13
HEAD HEIGHT: (AASU) 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
NECK LENGTH: (AGQB) 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
HARDNESS RATING: (CQFM) 207.0 BRINELL STANDARD MAXIMUM OVERALL
NECK WIDTH: (CWXQ) 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
DEPARTURE FROM CITED DOCUMENT: (ZZZW) AS MODIFIED BY ADDITION OF SQUARE NUT
THREAD CLASS: (AAJD) 2A
HEAD STYLE: (AASK) BUTTON
SPECIAL FEATURES: (FEAT) FURNISHED WITH ONE SQUARE NUT IN ACCORDANCE WITH FEDERAL SPECIFICATION FF-N-836 TYPE1 STYLE1
NOMINAL THREAD DIAMETER: (AHYM) 0.500 INCHES
MATERIAL: (MATT) STEEL OVERALL
THREAD SERIES DESIGNATOR: (THSD) UNC
THREAD LENGTH: (AASA) 1.250 INCHES MINIMUM
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 1 TYPE AND 1 CLASS AND A STYLE