PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B7.70Relay,thermal

Schneider Electric Usa, Inc. · NSN 5945-00-481-8159 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-481-8159 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-481-8159. Primary manufacturer part number: B7.70.
Features
  • Relay,thermal — FSC 5945
  • 4 verified cross-references
  • Primary manufacturer: Schneider Electric Usa, Inc.
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-481-8159, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Schneider Electric Usa, Inc.. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,thermal
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersSquare D Co (CAGE 88434); Schneider Electric Usa, Inc. (CAGE 56365); Schneider Electric Usa, Inc. (CAGE 51918)
Technical Specifications
ParameterValue
NSN5945-00-481-8159
Primary Part NumberB7.70
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSchneider Electric Usa, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-343-5377B770 INTERCHANGEABLE
Spring,helical,compression
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5925-00-389-6433B77.0 INTERCHANGEABLE
Thermal Release,circuit Breaker
Schneider Electric Usa, Inc.
6130-01-507-7789B770 INTERCHANGEABLE
Power Supply
Lockheed Martin Corporation Div Rms - Manassas
Cross-Reference Index
Part NumberManufacturer
B7-70 Square D Co (USA)
B7.70 PRIMARY Schneider Electric Usa, Inc. (USA)
B7-70 Schneider Electric Usa, Inc. (USA)
B7-70 Schneider Electric Usa, Inc. (USA)
Related Parts
5360-00-343-5377INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
B770
5925-00-389-6433INTERCHANGEABLE
THERMAL RELEASE,CIRCUIT BREAKER
B77.0
6130-01-507-7789INTERCHANGEABLE
POWER SUPPLY
B770

Frequently Asked Questions

What is NSN 5945-00-481-8159?

NSN 5945-00-481-8159 is a Relay,thermal, manufactured by Schneider Electric Usa, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-481-8159?

NSN 5945-00-481-8159 has 4 cross-referenced part numbers: B7-70 (Square D Co), B7.70 (Schneider Electric Usa, Inc.), B7-70 (Schneider Electric Usa, Inc.), B7-70 (Schneider Electric Usa, Inc.).

What NSN replaces 5945-00-481-8159?

There are 3 known substitutes for 5945-00-481-8159: 5360-00-343-5377, 5925-00-389-6433, 6130-01-507-7789. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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