The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-569-0872, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-569-0872 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Fastener Length | 3.724 INCHES MINIMUM AND 3.744 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.849 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 2.875 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| MS27576-10-46 | 3/2 Design control — primary reference U.S. Government activity |
| MS27576-10-46 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-569-0872 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-569-0872: Head Height: 0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Fastener Length: 3.724 INCHES MINIMUM AND 3.744 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.849 INCHES MINIMUM AND 0.853 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.