The Bolt,machine, cataloged under National Stock Number 5306-00-151-1421, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-151-1421 |
| Primary Part Number | 400 008 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company |
| Status | CANCELLED |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 1.406 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.468 INCHES MINIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.938 INCHES NOMINAL IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 400 008 | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
| 932.19.21.132 | Pilatus Aircraft Ltd (CHE) |
| 9321921132 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| 5306001511421 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5306PL0979601 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| AN4-13A | 2/2 Government specification standardization U.S. Government activity |
| 5306PL0993897 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5306001511421 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5306-00-151-1421 is a Bolt,machine, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 5306, Bolts. Status: cancelled.
NSN 5306-00-151-1421 has 3 manufacturer part numbers on file: 400 008 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), 932.19.21.132 (Pilatus Aircraft Ltd), 9321921132 (Pilatus Aircraft Ltd).
5 possible matches (shared part number, not a government interchangeability claim): 6515-00-332-3300, 5305-01-023-2892, 5961-01-087-3340. Verify interchangeability with system specifications before substitution.
Key specifications for 400 008: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 1.406 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.468 INCHES MINIMUM IN. 18 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.
NSN 5306-00-151-1421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.