The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-775-1827, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-775-1827 |
| Primary Part Number | C4TM1054-3 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Head Height | 0.230 INCHES NOMINAL IN |
| Fastener Length | 2.930 INCHES NOMINAL IN |
| Concentric Hole Depth | 2.300 INCHES NOMINAL IN |
| Thread Length | 0.395 INCHES MINIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.313 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Shoulder Length | 2.410 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.710 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 |
|---|---|
| C4TM1054-3 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 5306-00-775-1827 is a Bolt,internally Relieved Body, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-775-1827 has 1 manufacturer part number on file: C4TM1054-3 (De Havilland Aircraft of Canada Limited).
Key specifications for C4TM1054-3: Head Height: 0.230 INCHES NOMINAL IN; Fastener Length: 2.930 INCHES NOMINAL IN; Concentric Hole Depth: 2.300 INCHES NOMINAL IN; Thread Length: 0.395 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.