The Bolt,machine, cataloged under National Stock Number 5306-01-575-4701, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. 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 | 5306-01-575-4701 |
| Primary Part Number | 91280A223 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Head Height | 3.5 MILLIMETERS NOMINAL MM |
| Fastener Length | 8.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 8.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 8.0 MILLIMETERS NOMINAL MM |
| Nonstandard Thread Pitch Diameter | +4.4 TO 4.6 MILLIMETERS MM |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 8.8 |
| Thread Quantity Per Inch | 0.8 |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 91280A223 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5306-01-575-4701 is a Bolt,machine, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-575-4701 has 1 manufacturer part number on file: 91280A223 (Mcmaster-Carr Supply Co).
Key specifications for 91280A223: Head Height: 3.5 MILLIMETERS NOMINAL MM; Fastener Length: 8.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.8; Thread Length: 8.0 MILLIMETERS NOMINAL MM. 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.