The Housing,rear, cataloged under National Stock Number 3020-01-044-2770, 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 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Housing,rear |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Cef Industries, Llc Dba Cef Industries Inc (CAGE 00268); Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (CAGE 59211); Parker-Hannifin Corporation Dba Pneutronics (CAGE 3H889) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-044-2770 |
| Primary Part Number | 2721668 |
| Item Name | Housing,rear |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 3020-01-044-2770 is a Housing,rear, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-044-2770 has 3 manufacturer part numbers on file: 8308-13 (Cef Industries, Llc Dba Cef Industries Inc), 2721668 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), 2721668 (Parker-Hannifin Corporation Dba Pneutronics).
2 possible matches (shared part number, not a government interchangeability claim): 4520-01-184-4070, 4520-01-197-7116. 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.