The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-587-2972, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-587-2972 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 4.7 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM MM |
| Fastener Length | 30.5 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.3 |
| Thread Length | 14.5 MILLIMETERS NOMINAL MM |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 16.0 MILLIMETERS NOMINAL MM |
| Width Between Flats | 16.7 MILLIMETERS MINIMUM AND 17.0 MILLIMETERS MAXIMUM MM |
| Grip Diameter | 10.9 MILLIMETERS MINIMUM AND 11.0 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 1100 MEGAPASCALS |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | MJ |
| 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 |
|---|---|
| NA0036-110016 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-587-2972 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-587-2972: Head Height: 4.7 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM MM; Fastener Length: 30.5 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 1.3. 16 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.