The Screw,machine, cataloged under National Stock Number 5305-00-496-4232, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is United Technologies Corp Electro Systems Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | United Technologies Corp Electro Systems Inc (CAGE 24956); Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 5305-00-496-4232 |
| Primary Part Number | NSR4020-20CA |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| NSR4020-20CA PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| 5F7568 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| NSR4020-20CA | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 5305-00-496-4232 is a Screw,machine, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-496-4232 has 2 manufacturer part numbers on file: NSR4020-20CA (United Technologies Corp Electro Systems Inc), 5F7568 (Caterpillar Inc Div Caterpillar Defense).
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.