The Bolt,machine, cataloged under National Stock Number 5306-01-666-0756, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-666-0756 |
| Primary Part Number | MS9285-08 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.642 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.088 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Surface Treatment | BLACK CHEMICAL FINISH OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL 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 | X |
| Part Number | Manufacturer |
|---|---|
| MS9285-08 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS9285-08 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-01-666-0756 is a Bolt,machine, manufactured by Sae International Dba Sae International, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-666-0756 has 1 manufacturer part number on file: MS9285-08 (Sae International Dba Sae International).
Key specifications for MS9285-08: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.642 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN. 16 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.