The Ethernet Switch, cataloged under National Stock Number 1660-01-601-0729, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Naval Sea Systems Command. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Ethernet Switch |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Cisco Systems Inc (CAGE 0GX96) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-601-0729 |
| Primary Part Number | 7611565 |
| Item Name | Ethernet Switch |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 7611565 PRIMARY | Naval Sea Systems Command (USA) |
| WS-C3750X-48T-S PRIMARY | Cisco Systems Inc (USA) |
| 8520464 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7611565 DRAWINGNUMBER | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 1660-01-601-0729 is a Ethernet Switch, manufactured by Naval Sea Systems Command, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-601-0729 has 3 manufacturer part numbers on file: 7611565 (Naval Sea Systems Command), WS-C3750X-48T-S (Cisco Systems Inc), 8520464 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-624-3520, 1680-01-641-5227. 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.