The Bolt,shoulder, cataloged under National Stock Number 5306-01-175-5352, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-175-5352 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.770 INCHES NOMINAL IN |
| Fastener Length | 6.880 INCHES NOMINAL IN |
| Shoulder Length | 5.030 INCHES MINIMUM AND 5.050 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 1.297 INCHES MINIMUM AND 1.299 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.630 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.760 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 7 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 2.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 515-4674128 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| 515-4674128 ITEM 12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-175-5352 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-175-5352: Head Height: 0.770 INCHES NOMINAL IN; Fastener Length: 6.880 INCHES NOMINAL IN; Shoulder Length: 5.030 INCHES MINIMUM AND 5.050 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 1.297 INCHES MINIMUM AND 1.299 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.