The Screw,close Tolerance, cataloged under National Stock Number 5305-01-284-8384, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-284-8384 |
| Primary Part Number | H185-4-25 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Fastener Length | 1.966 INCHES NOMINAL IN |
| Grip Length | 1.563 INCHES NOMINAL 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 |
|---|---|
| VT1694F4-25 | Howmet Global Fastening Systems Inc (USA) |
| H185-4-25 PRIMARY | Huck International, Inc (USA) |
| SF117-4-25 | Saturn Fasteners Inc (USA) |
| PBF1166-4-25 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 121558-4-A25P PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC985-4-25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| C7985-4-25 | 5/9 Secondary reference Huck International, Inc |
| C7985-4-25 | 7/2 Vendor item drawing reference U.S. Government activity |
| 121558-4-A25P | 3/2 Design control — primary reference U.S. Government activity |
| C7985-4-25 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| C7985-4-25 | 5/9 Secondary reference U.S. Government activity |
| VT1694F4-25 | 5/2 Secondary reference U.S. Government activity |
| H185-4-25 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-284-8384 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-284-8384 has 6 manufacturer part numbers on file: VT1694F4-25 (Howmet Global Fastening Systems Inc), H185-4-25 (Huck International, Inc), SF117-4-25 (Saturn Fasteners Inc), PBF1166-4-25 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 121558-4-A25P (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for H185-4-25: Fastener Length: 1.966 INCHES NOMINAL IN; Grip Length: 1.563 INCHES NOMINAL IN. 2 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.