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K173-126A — COVER,CIRCUIT BREAKER

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

K173-126A: COVER,CIRCUIT BREAKER.

The COVER,CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: STEEL, body_width: 0.390625 INCHES NOMINAL IN, body_height: 0.500 INCHES NOMINAL IN, body_length: 1.750 INCHES NOMINAL IN, mounting_configuration: TWO 1/8 IN. DIA MTG HOLES,SPACING,ANY ACCEPTABLE IN.

This part is cataloged in the U.S. Government catalog under NSN 5925-00-360-3984, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ K173-126A
NSN: 5925-00-360-3984
FSC: 5925 — Circuit Breakers
CAGE: 60969 — GENERAL ELECTRIC CO ELECTRICAL DISTRIBUTION AND CONTROL (USA)
SPECIFICATIONS
materialSTEEL
body_width0.390625 INCHES NOMINAL IN
body_height0.500 INCHES NOMINAL IN
body_length1.750 INCHES NOMINAL IN
mounting_configurationTWO 1/8 IN. DIA MTG HOLES,SPACING,ANY ACCEPTABLE IN
NSN5925-00-360-3984
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,CIRCUIT BREAKER TITLE COMPONENT PN K173-126A MFR COVER,CIRCUIT BREAKER
KEY FEATURES
•
BODY WIDTH: 0.390625 INCHES NOMINAL IN
•
BODY HEIGHT: 0.500 INCHES NOMINAL IN
•
BODY LENGTH: 1.750 INCHES NOMINAL IN
•
MOUNTING CONFIGURATION: TWO 1/8 IN. DIA MTG HOLES,SPACING,ANY ACCEPTABLE IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
BODY WIDTH0.390625 INCHES NOMINAL IN
BODY HEIGHT0.500 INCHES NOMINAL IN
BODY LENGTH1.750 INCHES NOMINAL IN
MOUNTING CONFIGURATIONTWO 1/8 IN. DIA MTG HOLES,SPACING,ANY ACCEPTABLE IN
MATERIALSTEEL
OTHER ITEMS IN FSC 5925 — Circuit Breakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5925-00-001-1277 5925-00-001-2809 5925-00-001-3838 5925-00-001-5748 5925-00-001-5926 5925-00-001-5938 5925-00-001-5942 5925-00-001-5977
SUBSTITUTES & CROSS-REFERENCES 3
P10915Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
836LXReference document
Same NSN cross-reference
Reference document — Design control — primary reference
BP3294Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K173-126A?
K173-126A is a COVER,CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace K173-126A?
There are 3 known substitutes for K173-126A: P10915, 836LX, BP3294. Substitute compatibility should be verified for your specific system.
What is the NSN for K173-126A?
K173-126A is cataloged in the U.S. Government catalog under NSN 5925-00-360-3984. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.