PartsTable TECHNICAL DATA SHEET
NSN 5945-01-253-8640Government record, cited

Relay, Thermal5945-01-253-8640

NSN 5945-01-253-8640 · NIIN 012538640 · Part number 48HC38AA3
Siemens Energy and Automation Inc Siemens Furnas Controls Div · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 23826
Government record, cited
NSN 5945-01-253-8640 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-253-8640. Manufacturer of record part number: 48HC38AA3.
Also searched as  5945-01-253-8640 · 5945012538640 · NIIN 012538640 · 01-253-8640 · FSC 5945 Relays and Solenoids · CAGE 23826 · 48HC38AA3
Nearby stock numbers  ·
Features
  • Relay,thermal — FSC 5945
  • 1 manufacturer part number on file
  • Manufacturer of record: Siemens Energy and Automation Inc Siemens Furnas Controls Div
Identification
  • NSN: 5945-01-253-8640
  • NIIN: 012538640
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 48HC38AA3
  • Manufacturer: Siemens Energy and Automation Inc Siemens Furnas Controls Div
General Description

The Relay,thermal, cataloged under National Stock Number 5945-01-253-8640, 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 and Automation Inc Siemens Furnas Controls Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-253-8640
Primary Part Number48HC38AA3
Item NameRelay,thermal
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerSiemens Energy and Automation Inc Siemens Furnas Controls Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
48HC38AA3 PRIMARY Siemens Energy and Automation Inc Siemens Furnas Controls 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 5945-01-253-8640?

NSN 5945-01-253-8640 is a Relay,thermal, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-253-8640?

NSN 5945-01-253-8640 has 1 manufacturer part number on file: 48HC38AA3 (Siemens Energy and Automation Inc Siemens Furnas Controls Div).

What are the specifications of 48HC38AA3?

Key specifications for 48HC38AA3: Special Features: ONE POLE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5945-01-253-8640 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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