The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-476-2834, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-476-2834 |
| Primary Part Number | C4WM1075-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Head Height | 0.300 INCHES NOMINAL IN |
| Fastener Length | 5.300 INCHES NOMINAL IN |
| Concentric Hole Depth | 3.750 INCHES NOMINAL IN |
| Thread Length | 1.140 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES NOMINAL FIRST HOLE IN |
| Style Designator | COUNTERBORE UNTHREADED |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.650 INCHES NOMINAL IN |
| Shoulder Diameter | 1.123 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.630 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 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Shoulder Length | 4.065 INCHES MINIMUM AND 4.070 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.090 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| C4WM1075-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
| Reference | Meaning |
|---|---|
| 500975 | 5/9 Secondary reference G and R Metal Finishing Co Inc |
NSN 5306-00-476-2834 is a Bolt,internally Relieved Body, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-476-2834 has 1 manufacturer part number on file: C4WM1075-1 (De Havilland Aircraft of Canada Limited).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-082-6007. Verify interchangeability with system specifications before substitution.
Key specifications for C4WM1075-1: Head Height: 0.300 INCHES NOMINAL IN; Fastener Length: 5.300 INCHES NOMINAL IN; Concentric Hole Depth: 3.750 INCHES NOMINAL IN; Thread Length: 1.140 INCHES MINIMUM IN. 21 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.