The Relay,solid State, cataloged under National Stock Number 5945-00-044-4439, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5945-00-044-4439 |
| Primary Part Number | 2538188-1 |
| Item Name | Relay,solid State |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 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 |
|---|---|
| 92502 | B.c. Systems Inc. Dba Bc Systems Inc (USA) |
| 2538188-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| M-31240P1 | 5/9 Secondary reference U.S. Government activity |
| 92502 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
NSN 5945-00-044-4439 is a Relay,solid State, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-044-4439 has 2 manufacturer part numbers on file: 92502 (B.c. Systems Inc. Dba Bc Systems Inc), 2538188-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 5996-00-844-3781, 5305-01-286-3107. Verify interchangeability with system specifications before substitution.
Key specifications for 2538188-1: Special Features: CONTACT DATA,2PDT,5 AMPS AT 115 VAC 60 HZ,TIME DELAY 900 SECONDS,TEMP RANGE MINUS 55 DEG C TO PLUS 70 DEG C,HERMETICALLY SEALED,1.906 IN. MAX LG,1.891 IN. MAX W,3.969 IN. MAX H,TWO 0.140 IN. DIA MTG HOLES SPACED 1.531 IN. C TO C VAC. 0 specifications are documented in the U.S. Government catalog.
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.