The Bolt,shear, cataloged under National Stock Number 5306-00-754-7448, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Parts & Aerostructures Limited Div Field Aviation. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-754-7448 |
| Primary Part Number | C4UM1046-27 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | De Havilland Parts & Aerostructures Limited Div Field Aviation |
| Status | ACTIVE |
| Head Height | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Fastener Length | 2.609 INCHES MINIMUM AND 2.656 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PPS 3306 FSCM 71867 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.537 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| 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 |
| Grip Length | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Grip Diameter | 0.7485 INCHES MINIMUM AND 0.7488 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Minimum Tensile Strength | 160000 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 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.427 INCHES MINIMUM AND 2.447 INCHES MAXIMUM 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 |
|---|---|
| C4UM1046-27 PRIMARY | De Havilland Parts & Aerostructures Limited Div Field Aviation (CAN) |
| Reference | Meaning |
|---|---|
| C4UM1046-27 | 5/9 Secondary reference De Havilland Aircraft of Canada Limited |
NSN 5306-00-754-7448 is a Bolt,shear, manufactured by De Havilland Parts & Aerostructures Limited Div Field Aviation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-754-7448 has 1 manufacturer part number on file: C4UM1046-27 (De Havilland Parts & Aerostructures Limited Div Field Aviation).
Key specifications for C4UM1046-27: Head Height: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; Fastener Length: 2.609 INCHES MINIMUM AND 2.656 INCHES MAXIMUM IN; Surface Treatment Document and Classification: PPS 3306 FSCM 71867 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.537 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN. 20 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.