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Technical Data Sheet
PartsTable / COMPONENT / 88268
88268 ✓ Verified by PartsTable
Clementoni · 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 88268 is a Clementoni industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.438 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 1.557 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN, thread_length: 1.250 INCHES NOMINAL 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 5306-00-429-7629, 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
88268
NSN: 5306-00-429-7629
FSC: 5306
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.438 INCHES NOMINAL IN
thread_class2A A
head_diameter1.557 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
thread_length1.250 INCHES NOMINAL IN
fastener_length3.938 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats1.255 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch16
NSN5306-00-429-7629
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 88268 · Clementoni ⚠ 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
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
FEATURES PROVIDED: FINISHED HEAD
•
WIDTH BETWEEN FLATS: 1.255 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD STYLE: ROUND W/WRENCH FLATS
•
HEAD DIAMETER: 1.557 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD DIRECTIONRIGHT-HAND
FEATURES PROVIDEDFINISHED HEAD
WIDTH BETWEEN FLATS1.255 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
HEAD STYLEROUND W/WRENCH FLATS
HEAD DIAMETER1.557 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH16
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
H33-8Interchangeable
interchangeable cross-reference
interchangeable
88268Interchangeable
interchangeable cross-reference
interchangeable
C2566Interchangeable
interchangeable cross-reference
interchangeable
396363C1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88268?
88268 is a 88268 manufactured by Clementoni.
What parts can replace 88268?
There are 4 known substitutes for 88268: H33-8, 88268, C2566 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88268?
88268 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-429-7629. 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