The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-526-3899, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-526-3899 |
| Primary Part Number | VCG0002-6H16 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN |
| Thread Length | 0.516 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN |
| Criticality Code Justification | AGAV |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.582 INCHES NOMINAL IN |
| Grip Diameter | 0.374 INCHES NOMINAL IN |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.396 INCHES NOMINAL 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 | Y |
| Part Number | Manufacturer |
|---|---|
| ST3M747-6H16 | Houston Precision Fasteners I Lp (USA) |
| VS3191-6H16 | Howmet Global Fastening Systems Inc (USA) |
| HP7747-6H16 | Heartland Precision Fasteners Inc (USA) |
| ST3M747-6H16 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| MB155-6H16 | Hi-Shear Corporation (USA) |
| AIC688-6H16 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VCG0002-6H16 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GS1031-6H16 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| PBF1266-6H16 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M747-6H16 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| SLB254-6H16 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| S397-6H16 PRIMARY | Huck International, Inc (USA) |
| 122896-6H16 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M747-6H16 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 122896-6H16 | 5/2 Secondary reference U.S. Government activity |
| 122896-6H16 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-526-3899 is a Bolt,close Tolerance, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-526-3899 has 14 manufacturer part numbers on file: ST3M747-6H16 (Houston Precision Fasteners I Lp), VS3191-6H16 (Howmet Global Fastening Systems Inc), HP7747-6H16 (Heartland Precision Fasteners Inc), ST3M747-6H16 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), MB155-6H16 (Hi-Shear Corporation) and 9 more.
Key specifications for VCG0002-6H16: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN; Thread Length: 0.516 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN. 13 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.