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Technical Data Sheet
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CBU1033 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CBU1033: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 12.9 OVERALL, head_style: HEXAGON, head_height: 8.0 MILLIMETERS NOMINAL MM, thread_length: 33.5 MILLIMETERS MINIMUM AND 36.0 MILLIMETERS MAXIMUM MM, fastener_length: 36.00 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-237-4916, 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
CBU1033
NSN: 5306-01-237-4916
FSC: 5306 — Bolts
CAGE: U5612 — LEYLAND TRUCKS LTD (FOR SPARE PARTS SEE U6425) (GBR)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 12.9 OVERALL
head_styleHEXAGON
head_height8.0 MILLIMETERS NOMINAL MM
thread_length33.5 MILLIMETERS MINIMUM AND 36.0 MILLIMETERS MAXIMUM MM
fastener_length36.00 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats19.0 MILLIMETERS NOMINAL MM
end_item_identification2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR)
nominal_thread_diameter12.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.25
NSN5306-01-237-4916
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CBU1033 · 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 HEIGHT: 8.0 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 36.00 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD LENGTH: 33.5 MILLIMETERS MINIMUM AND 36.0 MILLIMETERS MAXIMUM MM
•
NOMINAL THREAD DIAMETER: 12.0 MILLIMETERS MM
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT8.0 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH36.00 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.25
THREAD LENGTH33.5 MILLIMETERS MINIMUM AND 36.0 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER12.0 MILLIMETERS MM
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS19.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 3
3903857Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5306PL0816581Reference document
Same NSN cross-reference
Reference document — Informative reference only
J90385-7Same 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 CBU1033?
CBU1033 is a BOLT,MACHINE.
What parts can replace CBU1033?
There are 3 known substitutes for CBU1033: 3903857, 5306PL0816581, J90385-7. Substitute compatibility should be verified for your specific system.
What is the NSN for CBU1033?
CBU1033 is cataloged in the U.S. Government catalog under NSN 5306-01-237-4916. This indicates validated use in U.S. government and defense supply chains.
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