PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73139Relay,electromagnetic

Allied Systems Company Dba Allied Systems Co · NSN 5945-01-665-9678 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-665-9678 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-665-9678. Primary manufacturer part number: 73139.
Features
  • Relay,electromagnetic — FSC 5945
  • 3 verified cross-references
  • Primary manufacturer: Allied Systems Company Dba Allied Systems Co
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-665-9678, 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 Allied Systems Company Dba Allied Systems Co. This item has 3 commercial cross-references from 1 manufacturer, 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,electromagnetic
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersAllied Systems Company Dba Allied Systems Co (CAGE 60848)
Technical Specifications
ParameterValue
NSN5945-01-665-9678
Primary Part Number73139
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6665-00-411-994508-73139 INTERCHANGEABLE
Refill,gasorbent
Mine Safety Appliances Company
2530-00-426-8342278010N INTERCHANGEABLE
Adjuster,slack,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5330-00-718-77772208B444 INTERCHANGEABLE
Gasket
Meritor Industrial Products, Llc
Cross-Reference Index
Part NumberManufacturer
SG811-CF-MMC-0107-116 ITEM 79 Allied Systems Company Dba Allied Systems Co (USA)
66207 REV C ITEM 79 Allied Systems Company Dba Allied Systems Co (USA)
73139 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
6665-00-411-9945INTERCHANGEABLE
REFILL,GASORBENT
08-73139
2530-00-426-8342INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
278010N
5330-00-718-7777INTERCHANGEABLE
GASKET
2208B444

Frequently Asked Questions

What is NSN 5945-01-665-9678?

NSN 5945-01-665-9678 is a Relay,electromagnetic, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-665-9678?

NSN 5945-01-665-9678 has 3 cross-referenced part numbers: SG811-CF-MMC-0107-116 ITEM 79 (Allied Systems Company Dba Allied Systems Co), 66207 REV C ITEM 79 (Allied Systems Company Dba Allied Systems Co), 73139 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 5945-01-665-9678?

There are 3 known substitutes for 5945-01-665-9678: 6665-00-411-9945, 2530-00-426-8342, 5330-00-718-7777. Verify interchangeability with system specifications before substitution.

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