The Bolt,machine, cataloged under National Stock Number 5306-01-337-8488, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-337-8488 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Height | 0.260 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.283 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN |
| Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Width Between Flats | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 601 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 |
| Reference | Meaning |
|---|---|
| MS9208-04 | 2/2 Government specification standardization U.S. Government activity |
| 5306PL1499464 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-337-8488 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-337-8488: Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Head Height: 0.260 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 19 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.