NSN 5945-01-520-7403 · NIIN 015207403 · Part number 101A657P21
Useco an Affil of United Service Equipment Co · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 58712
Government record, cited
NSN 5945-01-520-7403 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-520-7403. Manufacturer of record part number: 101A657P21.
Also searched as5945-01-520-7403 ·
5945015207403 ·
NIIN 015207403 ·
01-520-7403 ·
FSC 5945 Relays and Solenoids · CAGE 58712 · 101A657P21
Nearby stock numbers← 5945-01-520-7376 Relay, Solid State
·
5945-01-520-7413 Relay, Solid State →
Features
Relay,electromagnetic — FSC 5945
1 manufacturer part number on file
Manufacturer of record: Useco an Affil of United Service Equipment Co
Identification
NSN: 5945-01-520-7403
NIIN: 015207403
FSC: 5945 — Relays and Solenoids
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 101A657P21
Manufacturer: Useco an Affil of United Service Equipment Co
General Description
The Relay,electromagnetic, cataloged under National Stock Number 5945-01-520-7403, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Useco an Affil of United Service Equipment Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Useco an Affil of United Service Equipment Co (USA)
No interchangeability data on file.
Other items in FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093
5945-00-000-0093 · Item name not on file
5945-00-001-1891
5945-00-001-1891 · Item name not on file
5945-00-001-2622
PLATE,RELAY
5945-00-001-2795
RELAY,ELECTROMAGNETIC
5945-00-001-2806
RELAY,REED
5945-00-001-2938
5945-00-001-2938 · Item name not on file
5945-00-001-3015
RELAY ASSEMBLY
5945-00-001-3016
PROTECTOR,OVERLOAD
Frequently Asked Questions
What is NSN 5945-01-520-7403?
NSN 5945-01-520-7403 is a Relay,electromagnetic, manufactured by Useco an Affil of United Service Equipment Co, classified under FSC 5945, Relays and Solenoids. Status: active.
What part numbers are listed for NSN 5945-01-520-7403?
NSN 5945-01-520-7403 has 1 manufacturer part number on file: 101A657P21 (Useco an Affil of United Service Equipment Co).
What are the specifications of 101A657P21?
Key specifications for 101A657P21: Special Features: DPDT; WITH EARS; End Item Identification: RETHERM MODULE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5945-01-520-7403 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.