The Bolt,machine, cataloged under National Stock Number 5306-01-490-5587, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-490-5587 |
| Primary Part Number | 167-6406424 FIND 76 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Extended Washer Thickness | 0.190 INCHES NOMINAL IN |
| Head Height | 0.498 INCHES NOMINAL IN |
| Fastener Length | 1.187 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.000 INCHES NOMINAL IN |
| Thread Length | 1.062 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.747 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN |
| Locking Feature | STRIP LOCKING FEATURE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY 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 |
| Part Number | Manufacturer |
|---|---|
| 167-6406424 FIND 76 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-490-5587 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-490-5587 has 1 manufacturer part number on file: 167-6406424 FIND 76 (Naval Sea Systems Command).
Key specifications for 167-6406424 FIND 76: Extended Washer Thickness: 0.190 INCHES NOMINAL IN; Head Height: 0.498 INCHES NOMINAL IN; Fastener Length: 1.187 INCHES NOMINAL IN; Extended Washer Diameter: 1.000 INCHES NOMINAL 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.