The Bolt,machine, cataloged under National Stock Number 5306-01-361-4913, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-361-4913 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 1.780 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.200 INCHES NOMINAL IN |
| Thread Length | 0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Hardness Rating | 48.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | E18V MARAGING STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3750 INCHES IN |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.560 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 2488640 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-361-4913 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-361-4913: Head Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 1.780 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.200 INCHES NOMINAL IN; Thread Length: 0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN. 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.