PartsTable TECHNICAL DATA SHEET

NSN 5945-01-297-8553Government record, cited

Relay, Electromagnetic5945-01-297-8553

NSN 5945-01-297-8553 · NIIN 012978553 · Part number 257-221-A22

Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc. · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 1XRQ4

Government record, cited

NSN 5945-01-297-8553 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-297-8553. Manufacturer of record part number: 257-221-A22.

Also searched as 5945-01-297-8553 · 5945012978553 · NIIN 012978553 · 01-297-8553 · FSC 5945 Relays and Solenoids · CAGE 1XRQ4 · 257-221-A22

Nearby stock numbers ← 5945-01-297-8552 · 5945-01-297-8554 Relay, Electromagnetic →

Features

Relay,electromagnetic — FSC 5945
1 manufacturer part number on file
Manufacturer of record: Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc.

Identification

NSN: 5945-01-297-8553
NIIN: 012978553
FSC: 5945 — Relays and Solenoids
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 257-221-A22
Manufacturer: Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc.

General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-297-8553, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Relay,electromagnetic
FSC / FSG	5945 — Relays and Solenoids (FSG 59)
Manufacturers	Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc. (CAGE 1XRQ4)

Technical Specifications

Parameter	Value
NSN	5945-01-297-8553
Primary Part Number	257-221-A22
Item Name	Relay,electromagnetic
FSC / FSG	5945 / 59 — Relays and Solenoids
Manufacturer	Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
257-221-A22 PRIMARY	Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc. (USA)

Reference documents

Reference	Meaning
257-221-A22	5/9 Secondary reference Gec Alsthom Intl Inc Pto Spares & Service Div 045
257-221-A22	5/9 Secondary reference Alstom Power Conversion Inc.

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 5945-01-297-8553?

NSN 5945-01-297-8553 is a Relay,electromagnetic, manufactured by Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc., classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-297-8553?

NSN 5945-01-297-8553 has 1 manufacturer part number on file: 257-221-A22 (Alstom Power Conversion Usa Inc Dba Alstom Power Conversion Inc.).

Is NSN 5945-01-297-8553 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.

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