The Bolt,machine, cataloged under National Stock Number 5306-00-087-3764, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-087-3764 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2700, METH 1, CLS 1, TYP 6 OR TYP 7 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Material Document and Classification | MIL-DTL-1222 MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM F593 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 75000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 384 OR STEEL COMP XM-7 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 |
|---|---|
| 21555872 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5306PL0993435 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| DRP-1483A PC 9 | C/1 Advisory reference — outside the item-of-supply concept Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| MS16208-139 | 3/2 Design control — primary reference U.S. Government activity |
| MS16208-139 | 5/9 Secondary reference U.S. Government activity |
| DRP-14838A PC 9 | C/1 Advisory reference — outside the item-of-supply concept Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 5306-00-087-3764 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-470-2606. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-087-3764: Head Height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN; Fastener Length: 1.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2700, METH 1, CLS 1, TYP 6 OR TYP 7 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.500 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.
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.