The Bolt,shoulder, cataloged under National Stock Number 5306-01-434-2298, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-434-2298 |
| Primary Part Number | 803-6397262-27 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 3.219 INCHES NOMINAL IN |
| Shoulder Length | 2.656 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTB B 21 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 53711-803-6397262 GOVERNMENT SPECIFICATION |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | COPPER ALLOY 482 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 |
|---|---|
| 803-6397262-27 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8100-1251-0308 PC NO 164 | C/1 Advisory reference — outside the item-of-supply concept Bath Iron Works Corporation |
NSN 5306-01-434-2298 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-434-2298 has 1 manufacturer part number on file: 803-6397262-27 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-437-3832. Verify interchangeability with system specifications before substitution.
Key specifications for 803-6397262-27: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 3.219 INCHES NOMINAL IN; Shoulder Length: 2.656 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.