The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-350-0647, 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 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-350-0647 |
| Primary Part Number | VCG0037-6-20 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Fastener Length | 2.026 INCHES MINIMUM AND 2.046 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Thread Length | 0.786 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY 718 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 | N |
| Part Number | Manufacturer |
|---|---|
| VCG0037-6-20 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 84604-6-20 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC874-6-20 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1594-6-20 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 3D0073-6-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-350-0647 is a Bolt,close Tolerance, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-350-0647 has 4 manufacturer part numbers on file: VCG0037-6-20 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 84604-6-20 (Sps Technologies, Llc Dba PB Fasteners), AIC874-6-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), PBF1594-6-20 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for VCG0037-6-20: Extended Washer Thickness: 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Fastener Length: 2.026 INCHES MINIMUM AND 2.046 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.