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Technical Data Sheet
PartsTable / MRO / 65-434
65-434 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, head_style: HEXAGON, head_height: 0.172 INCHES NOMINAL IN, thread_class: 2A A, coil_quantity: 5-1/2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-3467, 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→ 65-434
NSN: 5306-00-151-3467
FSC: 5306
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
head_styleHEXAGON
head_height0.172 INCHES NOMINAL IN
thread_class2A A
coil_quantity5-1/2
thread_length0.875 INCHES MINIMUM IN
fastener_length3.500 INCHES NOMINAL IN
inside_diameter0.896 INCHES MINIMUM AND 0.926 INCHES MAXIMUM IN
special_features2A A
style_designatorCYLINDRICAL
thread_directionRIGHT-HAND
NSN5306-00-151-3467
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 65-434 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD STYLE: HEXAGON
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
MINIMUM TENSILE STRENGTH: 48000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD HEIGHT: 0.172 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD HEIGHT0.172 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
FEATURES PROVIDEDUNFINISHED HEAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
FF-B-575 TYPE II GRADE 1Upgraded Successor
successor cross-reference
successor
FFB571ANDCLASSCUpgraded Successor
successor cross-reference
successor
65-10-64Upgraded Successor
successor cross-reference
successor
65-434Interchangeable
interchangeable cross-reference
interchangeable
433244Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 65-434?
65-434 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 65-434?
There are 5 known substitutes for 65-434: FF-B-575 TYPE II GRADE 1, FFB571ANDCLASSC, 65-10-64 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 65-434?
65-434 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-3467. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026