The Bolt,machine, cataloged under National Stock Number 5306-01-502-7903, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-502-7903 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.258 INCHES NOMINAL IN |
| Fastener Length | 1.435 INCHES MINIMUM AND 1.495 INCHES MAXIMUM IN |
| Special Test Features | FLUORSCENT PENETRANT INSPECTION IAW AMS 2645-83 |
| Thread Length | 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| MS9696-30 | 2/2 Government specification standardization U.S. Government activity |
| MS9696-30 | 5/1 Secondary reference Rolls-Royce Corporation |
NSN 5306-01-502-7903 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-502-7903: Head Height: 0.258 INCHES NOMINAL IN; Fastener Length: 1.435 INCHES MINIMUM AND 1.495 INCHES MAXIMUM IN; Special Test Features: FLUORSCENT PENETRANT INSPECTION IAW AMS 2645-83; Thread Length: 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN. 13 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.