The Bolt,machine, cataloged under National Stock Number 5306-01-137-9712, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-137-9712 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN |
| Fastener Length | 1.210 INCHES MINIMUM AND 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | DOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLDOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.000 INCHES MINIMUM AND 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.375 INCHES0.375 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Head Style | DISTORTED HEADDISTORTED HEAD |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM0.625 INCHES MAXIMUM IN |
| Locking Feature | DISTORTIONS TOP OF HEADDISTORTIONS TOP OF HEAD |
| Surface Treatment | PHOSPHATE ZINC OVERALLPHOSPHATE ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 2424 |
| Material | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL |
| Thread Series Designator | UNFUNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS35764-1318 | 2/2 Government specification standardization U.S. Government activity |
| 5306011379712 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 62.71.019 | 5/9 Secondary reference Sapa Operaciones SL |
NSN 5306-01-137-9712 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-137-9712: Head Height: 0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN; Fastener Length: 1.210 INCHES MINIMUM AND 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: DOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLDOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.000 INCHES MINIMUM AND 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM1.250 INCHES MAXIMUM IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.