The Screw,close Tolerance, cataloged under National Stock Number 5305-01-407-5237, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-407-5237 |
| Primary Part Number | VT16934-6R |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Fastener Length | 0.730 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Head Style | FLAT COUNTERSUNK |
| Head Diameter | 0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM 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 |
|---|---|
| VT16934-6R PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| PBF1165-4-6R | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HO443-4-6R | Huck International, Inc (USA) |
| 121557-4-A6R | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| C7984-4-6R | 7/2 Vendor item drawing reference U.S. Government activity |
| 121557-4-A6R | 5/2 Secondary reference U.S. Government activity |
| VT16934-6R | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-407-5237 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-407-5237 has 4 manufacturer part numbers on file: VT16934-6R (Howmet Global Fastening Systems Inc), PBF1165-4-6R (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HO443-4-6R (Huck International, Inc), 121557-4-A6R (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for VT16934-6R: Fastener Length: 0.730 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Thread Length: 0.370 INCHES NOMINAL IN; Head Style: FLAT COUNTERSUNK; Head Diameter: 0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. 4 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.