The Bolt,machine, cataloged under National Stock Number 5306-01-481-5717, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-481-5717 |
| Primary Part Number | 122-5277656 ITEM 45 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 3.250 INCHES MAXIMUM IN |
| Thread Length | 3.250 INCHES MAXIMUM IN |
| Material Document and Classification | FF-S-85,GRADE5,TYPE2 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81349MIL-S-1222 GOVERNMENT SPECIFICATION |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 8 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 122-5277656 ITEM 45 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 122-5277656 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5306-01-481-5717 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-481-5717 has 1 manufacturer part number on file: 122-5277656 ITEM 45 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-481-8200. Verify interchangeability with system specifications before substitution.
Key specifications for 122-5277656 ITEM 45: Fastener Length: 3.250 INCHES MAXIMUM IN; Thread Length: 3.250 INCHES MAXIMUM IN; Material Document and Classification: FF-S-85,GRADE5,TYPE2 FED SPEC 1ST MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.125 INCHES IN. 11 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.