The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-132-1059, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-132-1059 |
| Primary Part Number | S397-5-14 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.326 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 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 | 0.865 INCHES MINIMUM AND 0.885 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 |
| 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 |
|---|---|
| ST3M747-5-14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M747-5-14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M747-5-14 | Hi-Shear Corporation (USA) |
| ST3M747-5-14 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M747-5-14 | Howmet Global Fastening Systems Inc (USA) |
| S397-5-14 PRIMARY | Huck International, Inc (USA) |
| ST3M747-5-14 | Heartland Precision Fasteners Inc (USA) |
| GS1031-5-14 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M747-5-14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M747-5-14 | Huck International, Inc (USA) |
| ST3M747-5-14 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M747-5-14 PRIMARY | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| VCG0002-5-14 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| VS3191-5-14 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| ST3M747-5-14 | 5/2 Secondary reference U.S. Government activity |
| PBF1266-5-14 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| S397-5-14 | 5/9 Secondary reference U.S. Government activity |
| ST3M747-5-14 | 5/9 Secondary reference Sps Technologies Inc |
| 10115877 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M747-5-14 | 5/2 Secondary reference U.S. Government activity |
| AIC688-5-14 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| MB155-5-14 | 5/9 Secondary reference Hi-Shear Corporation |
| VS3191-5-14 | 5/9 Secondary reference U.S. Government activity |
| 122896-5-14 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-132-1059 is a Bolt,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-132-1059 has 12 manufacturer part numbers on file: ST3M747-5-14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M747-5-14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M747-5-14 (Hi-Shear Corporation), ST3M747-5-14 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M747-5-14 (Howmet Global Fastening Systems Inc) and 7 more.
Key specifications for S397-5-14: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 1.326 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN. 16 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.