The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-135-3514, 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 20 specifications, cited from the U.S. Government catalog. The record lists 11 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-135-3514 |
| Primary Part Number | ST3M747-5-12 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.109 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.349 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.514 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| S397-5-12 | Huck International, Inc (USA) |
| ST3M747-5-12 PRIMARY | The Boeing Company Div Defense (USA) |
| VCG0002-5-12 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1266-5-12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB155-5-12 | Hi-Shear Corporation (USA) |
| VS3191-5-12 | Howmet Global Fastening Systems Inc (USA) |
| 11833-5-12 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 122896-5-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC688-5-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HP7747-5-12 | Heartland Precision Fasteners Inc (USA) |
| ST3M747-5-12 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| S397-5-12 | 5/9 Secondary reference U.S. Government activity |
| MB155-5-12 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| VS3191-5-12 | 5/9 Secondary reference U.S. Government activity |
| GS1031-5-12 | 5/9 Secondary reference B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
| 122896-5-12 | 5/2 Secondary reference U.S. Government activity |
| 10115937 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-135-3514 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-135-3514 has 11 manufacturer part numbers on file: S397-5-12 (Huck International, Inc), ST3M747-5-12 (The Boeing Company Div Defense), VCG0002-5-12 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF1266-5-12 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MB155-5-12 (Hi-Shear Corporation) and 6 more.
Key specifications for ST3M747-5-12: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.187 INCHES NOMINAL 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.