The Bolt,machine, cataloged under National Stock Number 5306-01-677-3999, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-677-3999 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Head Height | 0.24 INCHES MINIMUM AND 0.26 INCHES MAXIMUM IN |
| Fastener Length | 1.5525 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Thread Length | 0.49 INCHES NOMINAL IN |
| Hole Configuration Style | SPLINE |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5663 ASSN STD 2ND MATERIAL RESPONSE OR AMS5962 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS-14181 NATIONAL STD/SPEC |
| Grip Length | 1.060 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.037 INCHES NOMINAL 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 |
|---|---|
| MS14181H04017P | 3/2 Design control — primary reference U.S. Government activity |
| MS14181H04017P | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-677-3999 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-677-3999: Extended Washer Thickness: 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Head Height: 0.24 INCHES MINIMUM AND 0.26 INCHES MAXIMUM IN; Fastener Length: 1.5525 INCHES NOMINAL IN; Extended Washer Diameter: 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN. 21 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.