The Bolt,shoulder, cataloged under National Stock Number 5306-01-485-0413, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-485-0413 |
| Primary Part Number | 721-7068581-42 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.780 INCHES NOMINAL IN |
| Fastener Length | 5.005 INCHES NOMINAL IN |
| Shoulder Length | 3.465 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.360 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-286,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 721-7068581-42 | Naval Sea Systems Command (USA) |
| 721-7286700-48 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H861-1503-48 | 3/2 Design control — primary reference U.S. Government activity |
| H861-1501-42 | 5/2 Secondary reference U.S. Government activity |
| H8611503A-48 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-485-0413 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-485-0413 has 2 manufacturer part numbers on file: 721-7068581-42 (Naval Sea Systems Command), 721-7286700-48 (Naval Sea Systems Command).
Key specifications for 721-7068581-42: Head Height: 0.780 INCHES NOMINAL IN; Fastener Length: 5.005 INCHES NOMINAL IN; Shoulder Length: 3.465 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM FIRST SHOULDER 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.