The Screw,tapping, cataloged under National Stock Number 5305-01-099-7961, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hyster-Yale Group, Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-099-7961 |
| Primary Part Number | 181860 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hyster-Yale Group, Inc. |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.250 INCHES IN |
| Extended Washer Thickness | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 0.719 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Nonmachine Thread Style | BLUNT (SF) |
| Features Provided | CASEHARDENED |
| Head Style | HEXAGON EXTENDED WASHER |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | SLOT |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 181860 PRIMARY | Hyster-Yale Group, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 181860 | 5/9 Secondary reference Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
NSN 5305-01-099-7961 is a Screw,tapping, manufactured by Hyster-Yale Group, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-099-7961 has 1 manufacturer part number on file: 181860 (Hyster-Yale Group, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-508-1842. Verify interchangeability with system specifications before substitution.
Key specifications for 181860: Nonmachine Nominal Thread Diameter: 0.250 INCHES IN; Extended Washer Thickness: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 0.719 INCHES NOMINAL IN. 12 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.