The Bolt,machine, cataloged under National Stock Number 5306-00-964-5940, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-964-5940 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Fastener Length | 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Hardness Rating | 60.0 ROCKWELL B MINIMUM OVERALL |
| Material Document and Classification | ASTM A307,GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 STYLE AND B GRADE |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC AND ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| MS16232-108 | 2/2 Government specification standardization U.S. Government activity |
| FFB561 | 4/1 Identification reference U.S. Government activity |
NSN 5306-00-964-5940 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-964-5940: Head Height: 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN; Fastener Length: 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Hardness Rating: 60.0 ROCKWELL B MINIMUM OVERALL. 10 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.