The Bolt,machine, cataloged under National Stock Number 5306-01-283-4129, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Dana Aust Pty Ltd. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-283-4129 |
| Primary Part Number | 7-73-321 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Dana Aust Pty Ltd |
| Status | ACTIVE |
| Fastener Length | 1.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 7-73-321 | Dana Aust Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 7-73-321 | 3/9 Design control — primary reference Dana Corp Drivetrain Service Div |
| 013612-01B0 | 5/9 Secondary reference Tld Wollard Llc |
NSN 5306-01-283-4129 is a Bolt,machine, manufactured by Dana Aust Pty Ltd, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-283-4129 has 1 manufacturer part number on file: 7-73-321 (Dana Aust Pty Ltd).
Key specifications for 7-73-321: Fastener Length: 1.312 INCHES NOMINAL IN; Nominal Thread Diameter: 0.438 INCHES IN; Features Provided: FINISHED HEAD; Head Style: HEXAGON. 7 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.