The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-491-1373, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-491-1373 |
| Primary Part Number | 9HA783 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Fastener Length | 10.4 MILLIMETERS NOMINAL MM |
| Thread Length | 0.4 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | MEDIUM |
| Thread Quantity Per Inch | 10 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 9HA783 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 115-7087 | D/9 Drawing number reference only Caterpillar Inc Div Caterpillar Defense |
| 9HA783 | 3/9 Design control — primary reference Oshkosh Corp |
| 449289-610 | 5/9 Secondary reference Garrett Transportation I, Inc. |
NSN 5306-01-491-1373 is a Bolt,internal Wrenching, manufactured by Oshkosh Defense Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-491-1373 has 1 manufacturer part number on file: 9HA783 (Oshkosh Defense Llc).
Key specifications for 9HA783: Fastener Length: 10.4 MILLIMETERS NOMINAL MM; Thread Length: 0.4 MILLIMETERS NOMINAL MM; Nominal Thread Diameter: 6.0 MILLIMETERS MM; Head Style: HEXAGON. 10 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.