The Screw,tapping, cataloged under National Stock Number 5305-01-417-2970, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Pioneer Screw and Nut Co. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-417-2970 |
| Primary Part Number | 1594810 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Pioneer Screw and Nut Co |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.190 INCHES IN |
| Extended Washer Thickness | 0.085 INCHES NOMINAL IN |
| Head Height | 0.203 INCHES NOMINAL IN |
| Fastener Length | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Head Style | HEXAGON EXTENDED WASHER |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Material | STEEL COMP 1021 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 |
|---|---|
| 1594810 | Oshkosh Defense Llc (USA) |
| 1594810 PRIMARY | Pioneer Screw and Nut Co (USA) |
| Reference | Meaning |
|---|---|
| 1594810 | 5/9 Secondary reference Amsco Products Camcar Div Textron Inc |
| 1594810 | 5/9 Secondary reference Oshkosh Corp |
| 1594810 | 5/9 Secondary reference Arden Fasteners Inc Chicago Br |
NSN 5305-01-417-2970 is a Screw,tapping, manufactured by Pioneer Screw and Nut Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-417-2970 has 2 manufacturer part numbers on file: 1594810 (Oshkosh Defense Llc), 1594810 (Pioneer Screw and Nut Co).
Key specifications for 1594810: Nonmachine Nominal Thread Diameter: 0.190 INCHES IN; Extended Washer Thickness: 0.085 INCHES NOMINAL IN; Head Height: 0.203 INCHES NOMINAL IN; Fastener Length: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN. 11 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.