The Bolt,shoulder, cataloged under National Stock Number 5306-01-128-7074, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mentis Sciences 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-128-7074 |
| Primary Part Number | 29548 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mentis Sciences Inc |
| Status | ACTIVE |
| Head Height | 0.110 INCHES NOMINAL IN |
| Fastener Length | 2.360 INCHES NOMINAL IN |
| Shoulder Length | 0.149 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Criticality Code Justification | FEAT |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 29548 PRIMARY | Mentis Sciences Inc (USA) |
| Reference | Meaning |
|---|---|
| 29548 | 3/9 Design control — primary reference Williams International Co., L.l.c. |
NSN 5306-01-128-7074 is a Bolt,shoulder, manufactured by Mentis Sciences Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-128-7074 has 1 manufacturer part number on file: 29548 (Mentis Sciences Inc).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-694-2858. Verify interchangeability with system specifications before substitution.
Key specifications for 29548: Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 2.360 INCHES NOMINAL IN; Shoulder Length: 0.149 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.480 INCHES MINIMUM AND 0.531 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.