The Bolt,shoulder, cataloged under National Stock Number 5306-01-446-4079, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-446-4079 |
| Primary Part Number | 4323731 SH 32 P/N 49 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 1.250 INCHES NOMINAL IN |
| Fastener Length | 1.937 INCHES NOMINAL IN |
| Shoulder Length | 0.937 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.000 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL 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 |
|---|---|
| 4323731 SH 32 P/N 49 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 701-4323731 SH 32 P/N 49 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5306-01-446-4079 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-446-4079 has 1 manufacturer part number on file: 4323731 SH 32 P/N 49 (Naval Sea Systems Command).
Key specifications for 4323731 SH 32 P/N 49: Head Height: 1.250 INCHES NOMINAL IN; Fastener Length: 1.937 INCHES NOMINAL IN; Shoulder Length: 0.937 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.000 INCHES NOMINAL FIRST SHOULDER IN. 14 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.