NSN 5306-01-059-1086, 5306010591086
BOLT,SQUARE NECK

Federal Supply Classification: FSC 5306 - Bolts
National Item Identification Number: NIIN 010591086
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 5306-01-059-1086

National Stock Number (NSN) 5306-01-059-1086, or NIIN 010591086, (bolt,square neck) was assigned April 6, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 unique to one weapons system.

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 5306010591086 contains an unknown precious metal.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

SURFACE TREATMENT: (SFTT) CADMIUM AND CHROMATE OR ZINC AND CHROMATE OR CADMIUM OR ZINC OVERALL
MATERIAL: (MATT) STEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-416,CL 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,CL 3 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325,CL 3 FED SPEC 3RD TREATMENT RESPONSE AND QQ-Z-325,CL 3 FED SPEC 4TH TREATMENT RESPONSE OR MIL-C-81562,TY 2,CL 3 MIL SPEC 5TH TREATMENT RESPONSE OR MIL-C-81562,TY 2,CL 3 MIL SPEC 6TH TREATMENT RESPONSE OVERALL
FASTENER LENGTH: (AASB) 5.400 INCHES MINIMUM AND 5.560 INCHES MAXIMUM
HEAD DIAMETER: (AASL) 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM
HEAD HEIGHT: (AASU) 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
HEAD STYLE: (AASK) BUTTON
MATERIAL: (MATT) UNABLE TO DECODE
MINIMUM TENSILE STRENGTH: (CQBC) 60000 POUNDS PER SQUARE INCH
NECK LENGTH: (AGQB) 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
NECK WIDTH: (CWXQ) 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM
NOMINAL THREAD DIAMETER: (AHYM) 0.625 INCHES
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 1 TYPE AND 1 CLASS AND A STYLE
THREAD CLASS: (AAJD) 2A
THREAD DIRECTION: (AAJF) RIGHT-HAND
THREAD LENGTH: (AASA) 1.500 INCHES MINIMUM
THREAD QUANTITY PER INCH: (CMLP) 11
THREAD SERIES DESIGNATOR: (THSD) UNC
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A307,GR A ASSN STD SINGLE MATERIAL RESPONSE OR FF-B-584,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: (SFTT) CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL OR CADMIUM OVERALL OR ZINC OVERALL