Relay, Electromagnetic5945-01-588-5856

NSN 5945-01-588-5856 · NIIN 015885856 · Part number 3RH1244-1BB40

Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 0ACF4

Government record, cited

NSN 5945-01-588-5856 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-588-5856. Manufacturer of record part number: 3RH1244-1BB40.

Also searched as 5945-01-588-5856 · 5945015885856 · NIIN 015885856 · 01-588-5856 · FSC 5945 Relays and Solenoids · CAGE 0ACF4 · 3RH1244-1BB40 · SY1557-S=WC1.A5 ITEM 46

Nearby stock numbers ← 5945-01-588-5810 Relay, Electromagnetic · 5945-01-588-5920 Relay, Electromagnetic →

Features

Relay,electromagnetic — FSC 5945
2 manufacturer part numbers on file
Manufacturer of record: Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division

Identification

NSN: 5945-01-588-5856
NIIN: 015885856
FSC: 5945 — Relays and Solenoids
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 3RH1244-1BB40
Manufacturer: Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division

General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-588-5856, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Relay,electromagnetic
FSC / FSG	5945 — Relays and Solenoids (FSG 59)
Manufacturers	Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (CAGE 0ACF4); Siemens Energy and Automation Industrial and Logistics Systens Div (CAGE 082D8)

Technical Specifications

Parameter	Value
NSN	5945-01-588-5856
Primary Part Number	3RH1244-1BB40
Item Name	Relay,electromagnetic
FSC / FSG	5945 / 59 — Relays and Solenoids
Manufacturer	Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
3RH1244-1BB40 PRIMARY	Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (USA)
SY1557-S=WC1.A5 ITEM 46	Siemens Energy and Automation Industrial and Logistics Systens Div (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 5945-01-588-5856?

NSN 5945-01-588-5856 is a Relay,electromagnetic, manufactured by Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-588-5856?

NSN 5945-01-588-5856 has 2 manufacturer part numbers on file: 3RH1244-1BB40 (Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division), SY1557-S=WC1.A5 ITEM 46 (Siemens Energy and Automation Industrial and Logistics Systens Div).

Is NSN 5945-01-588-5856 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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