PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

603-999Relay,rotary

Miller Electric Mfg. Llc · NSN 5945-01-392-5880 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-392-5880 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-392-5880. Primary manufacturer part number: 603-999.
Features
  • Relay,rotary — FSC 5945
  • 2 verified cross-references
  • Primary manufacturer: Miller Electric Mfg. Llc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,rotary, cataloged under National Stock Number 5945-01-392-5880, 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 Miller Electric Mfg. Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,rotary
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersMiller Electric Mfg. Co. (CAGE 40608); Miller Electric Mfg. Llc (CAGE 3BH04)
Technical Specifications
ParameterValue
NSN5945-01-392-5880
Primary Part Number603-999
Item NameRelay,rotary
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMiller Electric Mfg. Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-829-5484603999 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
603-999 Miller Electric Mfg. Co. (USA)
603-999 PRIMARY Miller Electric Mfg. Llc (USA)
Related Parts
5950-00-829-5484INTERCHANGEABLE
TRANSFORMER,POWER
603999

Frequently Asked Questions

What is NSN 5945-01-392-5880?

NSN 5945-01-392-5880 is a Relay,rotary, manufactured by Miller Electric Mfg. Llc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-392-5880?

NSN 5945-01-392-5880 has 2 cross-referenced part numbers: 603-999 (Miller Electric Mfg. Co.), 603-999 (Miller Electric Mfg. Llc).

What NSN replaces 5945-01-392-5880?

There is 1 known substitute for 5945-01-392-5880: 5950-00-829-5484. Verify interchangeability with system specifications before substitution.

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