The Bolt,machine, cataloged under National Stock Number 5306-01-372-4706, 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17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-372-4706 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.387 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.818 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM F593 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81349-MIL-DTL-1222 GOVERNMENT SPECIFICATION |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR STRIP THREADS |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING FEATURE |
| Material | STEEL COMP 316 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| M1222RN10C2165CLN | 2/2 Government specification standardization U.S. Government activity |
| 5/8-11UNC-2AX1IN TY1GR316SL | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-372-4706 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-372-4706: Head Height: 0.387 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.818 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Material Document and Classification: ASTM F593 ASSN STD SINGLE MATERIAL RESPONSE FASTENER. 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.