The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-164-4460, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-164-4460 |
| Primary Part Number | VS3174-7D25 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Fastener Length | 2.005 INCHES MINIMUM AND 2.025 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN |
| Width Between Flats | 0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN |
| Grip Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.880 INCHES MINIMUM AND 1.910 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 |
|---|---|
| VS3174-7D25 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| GS1015-7D25 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| WC744-7D25 | West Coast Aerospace, Inc. (USA) |
| ST3M744-7D25 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VCG0001-7D25 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1265-7D25 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 122895-7D25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC687-7D25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M744-7D25 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| VS3174-7D25 | Huck International, Inc (USA) |
| ST3M744-7D25 | Houston Precision Fasteners I Lp (USA) |
| 11823-7D25 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| MB154-7D25 | 5/9 Secondary reference Hi-Shear Corporation |
| SLB748-7D25 | 5/9 Secondary reference Altek Systems Inc |
| 10116043 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M744-7D25 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| VS3174-7D25 | 5/9 Secondary reference U.S. Government activity |
| 122895-7D25 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-164-4460 is a Bolt,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-164-4460 has 12 manufacturer part numbers on file: VS3174-7D25 (Howmet Global Fastening Systems Inc), GS1015-7D25 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), WC744-7D25 (West Coast Aerospace, Inc.), ST3M744-7D25 (Fastener Innovation Technology, Inc. Dba F I T), VCG0001-7D25 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 7 more.
Key specifications for VS3174-7D25: Head Height: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN; Fastener Length: 2.005 INCHES MINIMUM AND 2.025 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN. 19 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.