The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-254-9172, 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 17 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-254-9172 |
| Primary Part Number | VS3191-4-13 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.164 INCHES MINIMUM IN |
| Fastener Length | 1.193 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| VS3191-4-13 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| VCG0002-4-13 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M747-4-13 PRIMARY | The Boeing Company Div Defense (USA) |
| 11833-4-13 | Reid Products Inc. Dba Reid Products Inc (USA) |
| GS1031-4-13 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| AIC688-4-13 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB155-4-13 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MB155-4-13 | Hi-Shear Corporation (USA) |
| S397-4-13 | Huck International, Inc (USA) |
| PBF1266-4-13 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| S397-4-13 | 5/9 Secondary reference U.S. Government activity |
| 122896-4-13 | 5/2 Secondary reference U.S. Government activity |
| VS3191-4-13 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-254-9172 is a Bolt,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-254-9172 has 10 manufacturer part numbers on file: VS3191-4-13 (Howmet Global Fastening Systems Inc), VCG0002-4-13 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M747-4-13 (The Boeing Company Div Defense), 11833-4-13 (Reid Products Inc. Dba Reid Products Inc), GS1031-4-13 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace) and 5 more.
Key specifications for VS3191-4-13: Head Height: 0.164 INCHES MINIMUM IN; Fastener Length: 1.193 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM 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.