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974302 — CIRCUIT BREAKER

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

974302: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include phase: THREE, body_style: SINGLE POLE TYPE, body_width: 0.750 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, ambient_temp: 50.0 CELSIUS DEGC, control_type: REMOTE. This part is cataloged in the U.S.

Government catalog under NSN 5970-00-729-9934, 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→ 974302
NSN: 5970-00-729-9934
NIINs: 007299934, 010243851, 012846844, 013132733, 013176180
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 26365 — GRIES DYNACAST CO DIV OF COATS AND CLARK INC (USA)
SPECIFICATIONS
phaseTHREE
body_styleSINGLE POLE TYPE
body_width0.750 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
ambient_temp50.0 CELSIUS DEGC
control_typeREMOTE
power_rating25.000 HORSEPOWER
reset_methodMANUAL
shank_height0.188 INCHES NOMINAL IN
overall_width16.000 INCHES NOMINAL IN
pole_quantity1
overall_height9.000 INCHES NOMINAL IN
NSN5970-00-729-9934
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 974302 MFR CIRCUIT BREAKER
KEY FEATURES
•
SHANK HEIGHT: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.235 INCHES NOMINAL IN
•
SHANK OUTSIDE DIAMETER: 0.145 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.115 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.235 INCHES NOMINAL IN
SHANK HEIGHT0.188 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.235 INCHES NOMINAL IN
SHANK OUTSIDE DIAMETER0.145 INCHES NOMINAL IN
INSIDE DIAMETER0.115 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
2578829-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
077-003868-004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1200-0147Reference document
Same NSN cross-reference
Reference document — Secondary reference
447768-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 974302?
974302 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 974302?
There are 4 known substitutes for 974302: 2578829-1, 077-003868-004, 1200-0147 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 974302?
974302 is cataloged in the U.S. Government catalog under NSN 5970-00-729-9934. 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.