The Bolt,shoulder, cataloged under National Stock Number 5306-01-159-9389, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-159-9389 |
| Primary Part Number | 123-4642962 ITEM 7 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 1.909 INCHES MINIMUM AND 1.925 INCHES MAXIMUM IN |
| Fastener Length | 17.060 INCHES NOMINAL IN |
| Shoulder Length | 11.515 INCHES MINIMUM AND 11.531 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 2.981 INCHES MINIMUM AND 2.983 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 2.870 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 2.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 4.500 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 4 |
| Material | NICKEL ALLOY 400 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 |
|---|---|
| 123-4642962 ITEM 7 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4642962-0007 | 5/2 Secondary reference U.S. Government activity |
| 36-01-7884 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-159-9389 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-159-9389 has 1 manufacturer part number on file: 123-4642962 ITEM 7 (Naval Sea Systems Command).
Key specifications for 123-4642962 ITEM 7: Head Height: 1.909 INCHES MINIMUM AND 1.925 INCHES MAXIMUM IN; Fastener Length: 17.060 INCHES NOMINAL IN; Shoulder Length: 11.515 INCHES MINIMUM AND 11.531 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 2.981 INCHES MINIMUM AND 2.983 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.