The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-119-4271, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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 | 5306-01-119-4271 |
| Primary Part Number | 3000173 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Style Designator | COUNTERBORE UNTHREADED |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Counterbore Depth | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Counterbore Diameter | 0.125 INCHES NOMINAL IN |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.062 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 3000173 PRIMARY | Cummins Inc. (USA) |
NSN 5306-01-119-4271 is a Bolt,internally Relieved Body, manufactured by Cummins Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-119-4271 has 1 manufacturer part number on file: 3000173 (Cummins Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 2530-01-172-8327, 5998-01-251-2584, 3040-01-680-8347. Verify interchangeability with system specifications before substitution.
Key specifications for 3000173: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Style Designator: COUNTERBORE UNTHREADED. 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.