The Bolt,shoulder, cataloged under National Stock Number 5306-01-148-5901, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-148-5901 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 0.540 INCHES NOMINAL IN |
| Shoulder Length | 0.038 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 0.192 INCHES NOMINAL FOURTH HOLE IN |
| Surface Treatment Document and Classification | MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM FOURTH HOLE IN |
| Thread Length | 0.260 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Hole Configuration Style | ROUND |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.078 INCHES NOMINAL IN |
| Head Diameter | 0.375 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 |
|---|---|
| SM-0-806868 | 5/2 Secondary reference U.S. Government activity |
| 0325976-001 | 5/9 Secondary reference U.S. Government activity |
| SM-C-806868 | 3/2 Design control — primary reference U.S. Government activity |
| 325976-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-148-5901 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-148-5901: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 0.540 INCHES NOMINAL IN; Shoulder Length: 0.038 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 0.192 INCHES NOMINAL FOURTH HOLE IN. 22 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.