The Gear,spur, cataloged under National Stock Number 3020-00-342-1570, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Gear,spur |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Rtx Corporation Div Pratt & Whitney (CAGE 52661); Union Machine Co of Lynn, Inc (CAGE 51992); Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (CAGE 2T575) |
| Parameter | Value |
|---|---|
| NSN | 3020-00-342-1570 |
| Primary Part Number | 4047889 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4047889 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4047889 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4047889 | Union Machine Co of Lynn, Inc (USA) |
| 4047889 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 4047889 | 5/9 Secondary reference Arrow Gear Llc |
| 4047889 | 5/9 Secondary reference Aero Gear Incorporated |
| 4013093 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4047889 / 1028047-1 | 5/9 Secondary reference Paramount Machine Company, Inc. Dba Paramount Machine Co Inc |
NSN 3020-00-342-1570 is a Gear,spur, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-342-1570 has 4 manufacturer part numbers on file: 4047889 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4047889 (Rtx Corporation Div Pratt & Whitney), 4047889 (Union Machine Co of Lynn, Inc), 4047889 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3020-00-342-1570 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.