The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-117-0662, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-117-0662 |
| Primary Part Number | ST3M744-12D44 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.401 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Fastener Length | 3.312 INCHES MINIMUM AND 3.332 INCHES MAXIMUM IN |
| Thread Length | 0.552 INCHES MINIMUM AND 0.592 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 | 0.750 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.904 INCHES MINIMUM AND 0.912 INCHES MAXIMUM IN |
| Grip Diameter | 0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.187 INCHES MINIMUM AND 3.217 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 | F |
| Part Number | Manufacturer |
|---|---|
| VCG0001-12D44 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC687-12D44 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1265-12D44 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GS1015-12D44 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M744-12D44 PRIMARY | The Boeing Company Div Defense (USA) |
| 11823-12D44 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| VS3174-12D44 | 5/9 Secondary reference U.S. Government activity |
| 122895-12D44 | 5/2 Secondary reference U.S. Government activity |
| S406-12D44 | 5/9 Secondary reference U.S. Government activity |
| MB154-12D44 | 5/9 Secondary reference Hi-Shear Corporation |
| VCG001-12D44 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
NSN 5306-01-117-0662 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-117-0662 has 6 manufacturer part numbers on file: VCG0001-12D44 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), AIC687-12D44 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), PBF1265-12D44 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GS1015-12D44 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), ST3M744-12D44 (The Boeing Company Div Defense) and 1 more.
Key specifications for ST3M744-12D44: Head Height: 0.401 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Fastener Length: 3.312 INCHES MINIMUM AND 3.332 INCHES MAXIMUM IN; Thread Length: 0.552 INCHES MINIMUM AND 0.592 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.