The Bolt,machine, cataloged under National Stock Number 5306-01-341-8902, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-341-8902 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.348 INCHES NOMINAL IN |
| Fastener Length | 1.921 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN |
| Thread Length | 0.437 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 105999 | 5/9 Secondary reference Lockheed Martin Sippican, Inc. Dba Sippican Use CAGE Code 16848 for Cataloging Div Lockheed Martin Marion |
| MS21095-2024 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-341-8902 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6145-01-419-4863, 5306-01-548-3464. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-341-8902: Head Height: 0.348 INCHES NOMINAL IN; Fastener Length: 1.921 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN; Thread Length: 0.437 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES 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.