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Technical Data Sheet
PartsTable / COMPONENT / R11255
R11255 ✓ Verified by PartsTable
— · BOLT SCREW
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 TERMINAL BLOCK,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, head_style: HEXAGON, head_height: 0.438 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM IN, shoulder_shape: HEXAGONAL FIRST SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-430-9415, 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
R11255
NSN: 5306-00-430-9415
FSC: 5306
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
head_styleHEXAGON
head_height0.438 INCHES NOMINAL IN
thread_class2A A
thread_length0.750 INCHES MINIMUM IN
shoulder_shapeHEXAGONAL FIRST SHOULDER
fastener_length2.562 INCHES NOMINAL IN
hardness_rating87.1 ROCKWELL B NOMINAL OVERALL
shoulder_length1.562 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
width_between_flats1.750 INCHES NOMINAL IN
minimum_yield_strength71000 POUNDS PER SQUARE INCH LBS
NSN5306-00-430-9415
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R11255 · 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
•
FASTENER LENGTH: 2.562 INCHES NOMINAL IN
•
HARDNESS RATING: 87.1 ROCKWELL B NOMINAL OVERALL
•
THREAD QUANTITY PER INCH: 8
•
NOMINAL THREAD DIAMETER: 1.000 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.750 INCHES NOMINAL IN
•
SHOULDER WIDTH ACROSS FLATS: 1.250 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER LENGTH: 1.562 INCHES NOMINAL FIRST SHOULDER IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH2.562 INCHES NOMINAL IN
HARDNESS RATING87.1 ROCKWELL B NOMINAL OVERALL
THREAD QUANTITY PER INCH8
NOMINAL THREAD DIAMETER1.000 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.750 INCHES NOMINAL IN
SHOULDER WIDTH ACROSS FLATS1.250 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER LENGTH1.562 INCHES NOMINAL FIRST SHOULDER IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COMP C1112 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
112-55Interchangeable
interchangeable cross-reference
interchangeable
101-329Interchangeable
interchangeable cross-reference
interchangeable
936 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
15073Interchangeable
interchangeable cross-reference
interchangeable
C11255Interchangeable
interchangeable cross-reference
interchangeable
5945PL0835847Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R11255?
R11255 is a TERMINAL BLOCK,ELECTRICAL.
What parts can replace R11255?
There are 8 known substitutes for R11255: 112-55, 101-329, 936 1-1/4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R11255?
R11255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-430-9415. 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