The Bolt,machine, cataloged under National Stock Number 5306-00-420-6972, 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15 specifications, cited from the U.S. Government catalog. 25 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-420-6972 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 1.281 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.156 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | MIL-B-994 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.109 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| AD14S49-0254PC293 | 5/9 Secondary reference U.S. Government activity |
| AV10S4902-456955PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-0147PC29 | 5/9 Secondary reference U.S. Government activity |
| AV4S49-126PC293 | 5/9 Secondary reference U.S. Government activity |
| AV7S49-33PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-028PC293 | 5/9 Secondary reference U.S. Government activity |
| AD20S49-103PC293 | 5/9 Secondary reference U.S. Government activity |
| AV10S4902-456972PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-0226PC319 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-0240PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-0308PC319 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222 TY I | 4/1 Identification reference U.S. Government activity |
| AV10S4902-456961PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-069PC319 | 5/9 Secondary reference U.S. Government activity |
| AD20S49-102PC293 | 5/9 Secondary reference U.S. Government activity |
| AD22S4902-520201PC293 | 5/9 Secondary reference U.S. Government activity |
| AV4S49-027PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-0283PC293 | 5/9 Secondary reference U.S. Government activity |
| AD14S49-027PC293 | 5/9 Secondary reference U.S. Government activity |
| AD20S49-89PC293 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-420-6972 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-312-3901, 5307-01-377-0045, 5305-01-545-2336. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-420-6972: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 1.281 INCHES NOMINAL IN; Thread Length: 0.625 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.156 INCHES NOMINAL FIRST HOLE IN. 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.