The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-117-2397, 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 17 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-117-2397 |
| Primary Part Number | ST3M744-10D68 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.351 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| Fastener Length | 5.326 INCHES MINIMUM AND 5.346 INCHES MAXIMUM IN |
| Thread Length | 1.066 INCHES MINIMUM AND 1.106 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.240 INCHES MINIMUM AND 4.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.774 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Grip Diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.076 INCHES MINIMUM AND 5.106 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 |
|---|---|
| ST3M744-10D68 PRIMARY | The Boeing Company Div Defense (USA) |
| S406-10D68 | Huck International, Inc (USA) |
| PBF1265-10D68 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC687-10D68 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VCG0001-10D68 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB154-10D68 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MB154-10D68 | Hi-Shear Corporation (USA) |
| 11823-10D68 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| S406-10D68 | 5/9 Secondary reference U.S. Government activity |
| 122895-10D68 | 5/2 Secondary reference U.S. Government activity |
| VS3174-10D68 | 5/9 Secondary reference U.S. Government activity |
| VCG001-10D68 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
NSN 5306-01-117-2397 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-117-2397 has 8 manufacturer part numbers on file: ST3M744-10D68 (The Boeing Company Div Defense), S406-10D68 (Huck International, Inc), PBF1265-10D68 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC687-10D68 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VCG0001-10D68 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 3 more.
Key specifications for ST3M744-10D68: Head Height: 0.351 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN; Fastener Length: 5.326 INCHES MINIMUM AND 5.346 INCHES MAXIMUM IN; Thread Length: 1.066 INCHES MINIMUM AND 1.106 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN. 17 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.