The Bolt,machine, cataloged under National Stock Number 5306-01-260-9803, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-260-9803 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 0.788 INCHES NOMINAL IN |
| Thread Length | 0.180 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.425 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 820-4384750PC2 | 3/1 Design control — primary reference U.S. Government activity |
| 864B042113 | 5/1 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 820-4384750PC2 | 5/9 Secondary reference Nipak Inc |
NSN 5306-01-260-9803 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-260-9803: Head Height: 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 0.788 INCHES NOMINAL IN; Thread Length: 0.180 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 13 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.