The Bolt,machine, cataloged under National Stock Number 5306-01-451-8175, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-451-8175 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-B-857A,AMEND3,GR2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 5/16018UNC-2A X 1 LG | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 701-4457943 P/N 5 | 5/9 Secondary reference Naval Sea Systems Command |
| 701-4457943 P/N 5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-451-8175 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-451-8175: Fastener Length: 1.000 INCHES NOMINAL IN; Material Document and Classification: MIL-B-857A,AMEND3,GR2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A; Nominal Thread Diameter: 0.312 INCHES IN; Head Style: HEXAGON. 10 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.