The Bolt,shoulder, cataloged under National Stock Number 5306-00-418-2888, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-418-2888 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES NOMINAL IN |
| Head Height | 0.370 INCHES NOMINAL IN |
| Fastener Length | 1.320 INCHES NOMINAL IN |
| Shoulder Length | 0.320 INCHES NOMINAL FIRST SHOULDER IN |
| Extended Washer Diameter | 1.060 INCHES NOMINAL IN |
| Shoulder Diameter | 0.8110 INCHES MINIMUM AND 0.8160 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.690 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Color | GREEN OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Surface Treatment | ENAMEL LUSTERLESS THREADS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4140 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 |
|---|---|
| 65052 | 3/2 Design control — primary reference U.S. Government activity |
| 5036-880 | 5/9 Secondary reference Inso Electronic Products Inc |
NSN 5306-00-418-2888 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-511-3448, 8340-01-627-7805. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-418-2888: Extended Washer Thickness: 0.060 INCHES NOMINAL IN; Head Height: 0.370 INCHES NOMINAL IN; Fastener Length: 1.320 INCHES NOMINAL IN; Shoulder Length: 0.320 INCHES NOMINAL FIRST SHOULDER IN. 20 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.