The Bolt,machine, cataloged under National Stock Number 5306-01-282-3372, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-282-3372 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.163 INCHES NOMINAL IN |
| Fastener Length | 0.620 INCHES NOMINAL IN |
| Thread Length | 0.549 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Material Document and Classification | ZZ-R-765,TYPE 1 AND TYPE 2 GRADE 70 RED. FED SPEC SINGLE MATERIAL RESPONSE RING |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD AND O RING |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.440 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE FASTENER |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING FASTENER |
| Material | RUBBER SILICONE CLASS Q RING |
| 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 |
|---|---|
| 1366AS501 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| ST 1/4-28X5/8-2701 | 3/2 Design control — primary reference U.S. Government activity |
| 1366AS501 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-282-3372 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-282-3372: Head Height: 0.163 INCHES NOMINAL IN; Fastener Length: 0.620 INCHES NOMINAL IN; Thread Length: 0.549 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Material Document and Classification: ZZ-R-765,TYPE 1 AND TYPE 2 GRADE 70 RED. FED SPEC SINGLE MATERIAL RESPONSE RING. 15 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.