The Bolt,shoulder, cataloged under National Stock Number 5306-01-503-7793, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-503-7793 |
| Primary Part Number | 7232138 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Fastener Length | 1.130 INCHES NOMINAL IN |
| Shoulder Length | 0.650 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.375 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.420 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | MS35308 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 7232138 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-503-7793 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-503-7793 has 1 manufacturer part number on file: 7232138 (Naval Sea Systems Command).
Key specifications for 7232138: Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Fastener Length: 1.130 INCHES NOMINAL IN; Shoulder Length: 0.650 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.375 INCHES NOMINAL FIRST SHOULDER IN. 17 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.