The Bolt,shoulder, cataloged under National Stock Number 5306-01-088-2793, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-088-2793 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.625 INCHES NOMINAL IN |
| Fastener Length | 4.500 INCHES NOMINAL IN |
| Shoulder Length | 2.875 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| 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 |
| Reference | Meaning |
|---|---|
| 125-1887162 PIECE 10 | 3/2 Design control — primary reference U.S. Government activity |
| 125-1887162 PIE | C/1 Advisory reference — outside the item-of-supply concept Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 5306-01-088-2793 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-088-2793: Head Height: 0.625 INCHES NOMINAL IN; Fastener Length: 4.500 INCHES NOMINAL IN; Shoulder Length: 2.875 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.995 INCHES MINIMUM AND 0.998 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.