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Technical Data Sheet
PartsTable / MRO / 1222032
1222032 ✓ 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, body_style: MULTIPOLE-SINGLE ACTUATOR TYPE, body_width: 4.120 INCHES MINIMUM AND 4.130 INCHES MAXIMUM IN, head_style: FLAT CHAMFER, body_height: 3.807 INCHES MINIMUM AND 3.817 INCHES MAXIMUM IN, body_length: 9.370 INCHES MINIMUM AND 9.380 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-106-6558, 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→ 1222032
NSN: 5305-00-106-6558
FSC: 5305
CAGE: 00784 — SNAP-ON INCORPORATED DBA SNAP-ON TOOLS DIV SNAP-ON INDUSTRIAL, SPECIAL PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleMULTIPOLE-SINGLE ACTUATOR TYPE
body_width4.120 INCHES MINIMUM AND 4.130 INCHES MAXIMUM IN
head_styleFLAT CHAMFER
body_height3.807 INCHES MINIMUM AND 3.817 INCHES MAXIMUM IN
body_length9.370 INCHES MINIMUM AND 9.380 INCHES MAXIMUM IN
boss_height0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
head_height0.125 INCHES NOMINAL IN
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2A A
head_diameter0.437 INCHES NOMINAL IN
NSN5305-00-106-6558
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1222032 · 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
•
SHOULDER DIAMETER: 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD SERIES DESIGNATOR: UNF
•
INTERNAL DRIVE STYLE: SLOT
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
THREAD QUANTITY PER INCH: 32
•
FASTENER LENGTH: 0.800 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM FIRST SHOULDER IN
THREAD SERIES DESIGNATORUNF
INTERNAL DRIVE STYLESLOT
SHOULDER SHAPEROUND FIRST SHOULDER
THREAD QUANTITY PER INCH32
FASTENER LENGTH0.800 INCHES NOMINAL IN
HEAD HEIGHT0.125 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.437 INCHES NOMINAL IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
1222032Interchangeable
interchangeable cross-reference
interchangeable
45-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1222032?
1222032 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1222032?
There are 2 known substitutes for 1222032: 1222032, 45-70. Substitute compatibility should be verified for your specific system.
What is the NSN for 1222032?
1222032 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-106-6558. 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