The Bolt,machine, cataloged under National Stock Number 5306-01-425-8731, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mac Aerospace Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-425-8731 |
| Primary Part Number | MS9705-29 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mac Aerospace Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES NOMINAL IN |
| Head Height | 0.185 INCHES NOMINAL IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.383 INCHES NOMINAL IN |
| Thread Length | 0.700 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.275 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| MS9705-29 PRIMARY | Mac Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| MS9705-29 | 4/1 Identification reference U.S. Government activity |
NSN 5306-01-425-8731 is a Bolt,machine, manufactured by Mac Aerospace Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-425-8731 has 1 manufacturer part number on file: MS9705-29 (Mac Aerospace Corp).
Key specifications for MS9705-29: Extended Washer Thickness: 0.050 INCHES NOMINAL IN; Head Height: 0.185 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Extended Washer Diameter: 0.383 INCHES NOMINAL IN. 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.