The Bolt,shoulder, cataloged under National Stock Number 5306-01-290-2684, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-290-2684 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.243 INCHES NOMINAL IN |
| Fastener Length | 1.938 INCHES NOMINAL IN |
| Shoulder Length | 1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | CAGEC 74841 FRUEHAUF ENG. STD. 5 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.375 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.406 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | SAE GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| 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 |
| Reference | Meaning |
|---|---|
| S-XA0244 | 3/9 Design control — primary reference L.b.t., Inc. |
| S-XA0244 | 5/9 Secondary reference Fruehauf Corp Fruehauf Trailer Opns |
NSN 5306-01-290-2684 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-290-2684: Head Height: 0.243 INCHES NOMINAL IN; Fastener Length: 1.938 INCHES NOMINAL IN; Shoulder Length: 1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: CAGEC 74841 FRUEHAUF ENG. STD. 5 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.