The Bolt,machine, cataloged under National Stock Number 5306-01-505-1948, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is J M Precision Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-505-1948 |
| Primary Part Number | NAS501-12-89A |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | J M Precision Inc |
| Status | ACTIVE |
| Head Height | 0.392 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Fastener Length | 9.281 INCHES NOMINAL IN |
| Thread Length | 1.094 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR ASM 5646 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 8.187 INCHES NOMINAL IN |
| Width Between Flats | 1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| NAS501-12-89A | J M Precision Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS501-12-89A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-505-1948 is a Bolt,machine, manufactured by J M Precision Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-505-1948 has 1 manufacturer part number on file: NAS501-12-89A (J M Precision Inc).
Key specifications for NAS501-12-89A: Head Height: 0.392 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN; Fastener Length: 9.281 INCHES NOMINAL IN; Thread Length: 1.094 INCHES NOMINAL IN; Material Document and Classification: AMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR ASM 5646 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 14 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.