The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-476-2833, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 23 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 | 5306-00-476-2833 |
| Primary Part Number | C4WM1073-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Head Height | 0.200 INCHES NOMINAL IN |
| Fastener Length | 4.680 INCHES NOMINAL IN |
| Thread Length | 0.790 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES NOMINAL FIRST HOLE IN |
| Style Designator | COUNTERBORE UNTHREADED |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Counterbore Depth | 3.500 INCHES NOMINAL IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Counterbore Diameter | 0.750 INCHES NOMINAL IN |
| Width Between Flats | 1.750 INCHES NOMINAL IN |
| Shoulder Diameter | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.370 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP E4340 OVERALL |
| Shoulder Length | 3.800 INCHES MINIMUM AND 3.805 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.470 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 2.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| C4WM1073-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 5306-00-476-2833 is a Bolt,internally Relieved Body, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-476-2833 has 1 manufacturer part number on file: C4WM1073-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4WM1073-1: Head Height: 0.200 INCHES NOMINAL IN; Fastener Length: 4.680 INCHES NOMINAL IN; Thread Length: 0.790 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.141 INCHES NOMINAL FIRST HOLE IN. 23 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.