The Bolt,shoulder, cataloged under National Stock Number 5306-01-381-1295, 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 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-381-1295 |
| Primary Part Number | 6374899 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 7.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 67.0 MILLIMETERS NOMINAL MM |
| Shoulder Length | 2.0 MILLIMETERS NOMINAL FIRST SHOULDER MM |
| Shoulder Length | 65.0 MILLIMETERS NOMINAL SECOND SHOULDER MM |
| Surface Treatment Document and Classification | LN29747, CODE NO. 1201, CAGEC C3927 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 7.5 MILLIMETERS NOMINAL FIRST SHOULDER MM |
| Thread Length | 20.0 MILLIMETERS NOMINAL MM |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | X20CRNI172 MATL NO. 1.4057, CAGEC C3927 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 17.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | CHROMIUM AND NICKEL 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 |
|---|---|
| 6374899 | Raytheon Company (USA) |
| 6374899 PRIMARY | Naval Sea Systems Command (USA) |
| 7896 00 16 | Diehl Defence Gmbh & Co. Kg (DEU) |
NSN 5306-01-381-1295 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-381-1295 has 3 manufacturer part numbers on file: 6374899 (Raytheon Company), 6374899 (Naval Sea Systems Command), 7896 00 16 (Diehl Defence Gmbh & Co. Kg).
Key specifications for 6374899: Head Height: 7.0 MILLIMETERS NOMINAL MM; Fastener Length: 67.0 MILLIMETERS NOMINAL MM; Shoulder Length: 2.0 MILLIMETERS NOMINAL FIRST SHOULDER MM; Shoulder Length: 65.0 MILLIMETERS NOMINAL SECOND SHOULDER MM. 18 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.