The Screw,machine, cataloged under National Stock Number 5305-00-299-6340, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Elwood William J Inc (CAGE 30599) |
| Parameter | Value |
|---|---|
| NSN | 5305-00-299-6340 |
| Primary Part Number | 331193 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 331193 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 331193 | Elwood William J Inc (USA) |
| Reference | Meaning |
|---|---|
| 331193 | 5/2 Secondary reference U.S. Government activity |
| 331193 | 5/9 Secondary reference Experimental Tool Corp |
NSN 5305-00-299-6340 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-299-6340 has 2 manufacturer part numbers on file: 331193 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 331193 (Elwood William J Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-485-1179. Verify interchangeability with system specifications before substitution.
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.