The Screw,machine, cataloged under National Stock Number 5305-01-294-3033, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Din Deutsches Institut Fur Normung Ev. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-294-3033 |
| Primary Part Number | DIN7985M4X20-A2 STL |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Din Deutsches Institut Fur Normung Ev |
| Status | ACTIVE |
| Head Height | 3.1 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Screw Surface Treatment | ZINC |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 18.6 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 63.0 ROCKWELL B MINIMUM AND 88.0 ROCKWELL B MAXIMUM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL PROPERTY CLASS 4.8 OR STEEL PROPERTY CLASS 5.8 |
| Minimum Tensile Strength | 56000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | M |
| Head Diameter | 8.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| DIN7985M4X20-A2 STL | Din Deutsches Institut Fur Normung Ev (DEU) |
| Reference | Meaning |
|---|---|
| DIN7985M4X20-A2 STL | 3/9 Design control — primary reference Machida Incorporated Dba Vision-Sciences Div Industrial |
NSN 5305-01-294-3033 is a Screw,machine, manufactured by Din Deutsches Institut Fur Normung Ev, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-294-3033 has 1 manufacturer part number on file: DIN7985M4X20-A2 STL (Din Deutsches Institut Fur Normung Ev).
Key specifications for DIN7985M4X20-A2 STL: Head Height: 3.1 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Screw Surface Treatment: ZINC; Fastener Length: 20.0 MILLIMETERS NOMINAL MM. 15 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.