The Relay,pneumatic, cataloged under National Stock Number 5945-01-191-4717, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Relay,pneumatic |
| FSC / FSG | 5945 — Relays and Solenoids (FSG 59) |
| Manufacturers | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (CAGE 41387); L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (CAGE 23905) |
| Parameter | Value |
|---|---|
| NSN | 5945-01-191-4717 |
| Primary Part Number | 355099 |
| Item Name | Relay,pneumatic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division |
| 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 |
|---|---|
| 66BA4 | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| 355099 PRIMARY | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA) |
| Reference | Meaning |
|---|---|
| 4950P7018-5 | C/1 Advisory reference — outside the item-of-supply concept L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division |
NSN 5945-01-191-4717 is a Relay,pneumatic, manufactured by L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-191-4717 has 2 manufacturer part numbers on file: 66BA4 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 355099 (L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-431-3693. 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.