The Relay Subassembly, cataloged under National Stock Number 5945-01-119-3438, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 Subassembly |
| FSC / FSG | 5945 — Relays and Solenoids (FSG 59) |
| Manufacturers | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (CAGE 1HAR9) |
| Parameter | Value |
|---|---|
| NSN | 5945-01-119-3438 |
| Primary Part Number | 131-554 |
| Item Name | Relay Subassembly |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated |
| 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 |
|---|---|
| 131-554 PRIMARY | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 131-554 | 5/9 Secondary reference Automatic Switch Company Dba Asco |
NSN 5945-01-119-3438 is a Relay Subassembly, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-119-3438 has 1 manufacturer part number on file: 131-554 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-190-5055. 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.