The Relay,special, cataloged under National Stock Number 5945-01-081-0271, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mbda Uk Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-081-0271 |
| Primary Part Number | B20141 |
| Item Name | Relay,special |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Mbda Uk Ltd |
| 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 |
|---|---|
| B20141 PRIMARY | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| B20141 | C/1 Advisory reference — outside the item-of-supply concept Ritchie E S and Sons Inc |
| SM5L-N178 | 5/9 Secondary reference Calvert Electronics Inc |
NSN 5945-01-081-0271 is a Relay,special, manufactured by Mbda Uk Ltd, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-081-0271 has 1 manufacturer part number on file: B20141 (Mbda Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-549-6609. Verify interchangeability with system specifications before substitution.
Key specifications for B20141: End Item Identification: AIRCRAFT MODEL AV-8A A. 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.