The Bolt,machine, cataloged under National Stock Number 5306-00-986-7200, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok, Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-986-7200 |
| Primary Part Number | M4DS428-22C |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Head Height | 0.157 INCHES NOMINAL IN |
| Fastener Length | 1.218 INCHES NOMINAL IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.687 INCHES NOMINAL IN |
| Width Between Flats | 0.434 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| M4DS428-22C PRIMARY | Long-Lok, Llc (USA) |
| TA12W048H22 | Long-Lok, Llc (USA) |
| M4DS428-22C | Nylok Llc (USA) |
NSN 5306-00-986-7200 is a Bolt,machine, manufactured by Long-Lok, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-986-7200 has 3 manufacturer part numbers on file: M4DS428-22C (Long-Lok, Llc), TA12W048H22 (Long-Lok, Llc), M4DS428-22C (Nylok Llc).
Key specifications for M4DS428-22C: Head Height: 0.157 INCHES NOMINAL IN; Fastener Length: 1.218 INCHES NOMINAL IN; Thread Length: 0.531 INCHES MINIMUM IN; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 15 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.