The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-109-7463, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-109-7463 |
| Primary Part Number | 74A450644-2001 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.270 INCHES NOMINAL IN |
| Fastener Length | 3.790 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | STF1139 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP |
| Concentric Hole Depth | 3.000 INCHES NOMINAL IN |
| Thread Length | 0.445 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | MIL-S-8844 CL 3 COND E-2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS CHAMFERED |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.880 INCHES NOMINAL IN |
| Shoulder Diameter | 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.375 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM GRIP |
| Minimum Tensile Strength | 280000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Shoulder Length | 3.270 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.650 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 1.060 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 | F |
| Part Number | Manufacturer |
|---|---|
| 74A450644-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450644-2001 | Nassau Tool Works, Inc (USA) |
| 74A450644-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A450644-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450644-2001 | 5/9 Secondary reference Preci-Manufacturing, Incorporated |
| 10115736 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450644-2001 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A450644-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450644-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
NSN 5306-01-109-7463 is a Bolt,internally Relieved Body, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-109-7463 has 3 manufacturer part numbers on file: 74A450644-2001 (The Boeing Company Div Defense), 74A450644-2001 (Nassau Tool Works, Inc), 74A450644-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc).
Key specifications for 74A450644-2001: Head Height: 0.270 INCHES NOMINAL IN; Fastener Length: 3.790 INCHES NOMINAL IN; Surface Treatment Document and Classification: STF1139 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP; Concentric Hole Depth: 3.000 INCHES NOMINAL 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.