The Bolt,machine, cataloged under National Stock Number 5306-01-197-1491, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-197-1491 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN |
| Fastener Length | 5.070 INCHES MINIMUM AND 5.250 INCHES MAXIMUM IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | SAE GR 5 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.880 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 7 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 11448-00 | 5/9 Secondary reference U.S. Government activity |
| 2242101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-197-1491 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-681-4085. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-197-1491: Head Height: 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN; Fastener Length: 5.070 INCHES MINIMUM AND 5.250 INCHES MAXIMUM IN; Thread Length: 1.500 INCHES NOMINAL IN; Material Document and Classification: SAE GR 5 ASSN STD ALL MATERIAL RESPONSES OVERALL. 14 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.