PartsTable
Technical Data Sheet
PartsTable / COMPONENT / D72329

D72329 — Technical Data Sheet

✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: DIAGONAL PARALLEL, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 3.070 INCHES NOMINAL IN, outside_diameter: 3.320 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 5325-00-765-8111, 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
D72329
NSN: 5325-00-765-8111
FSC: 5325
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
end_styleDIAGONAL PARALLEL
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter3.070 INCHES NOMINAL IN
outside_diameter3.320 INCHES NOMINAL IN
material_diameter0.125 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUND
NSN5325-00-765-8111
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D72329 · 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
•
MATERIAL: STEEL
•
OUTSIDE DIAMETER: 3.320 INCHES NOMINAL IN
•
INSIDE DIAMETER: 3.070 INCHES NOMINAL IN
•
MATERIAL DIAMETER: 0.125 INCHES NOMINAL IN
•
END STYLE: DIAGONAL PARALLEL
•
RING STYLE: STRAIGHT GAP
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
USAGE DESIGN: INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
OUTSIDE DIAMETER3.320 INCHES NOMINAL IN
INSIDE DIAMETER3.070 INCHES NOMINAL IN
MATERIAL DIAMETER0.125 INCHES NOMINAL IN
END STYLEDIAGONAL PARALLEL
RING STYLESTRAIGHT GAP
CROSS-SECTIONAL SHAPE STYLEROUND
USAGE DESIGNINTERNAL
MATERIAL HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
TBA312-18-6EE1Interchangeable
interchangeable cross-reference
interchangeable
144733Interchangeable
interchangeable cross-reference
interchangeable
G300264S4Interchangeable
interchangeable cross-reference
interchangeable
A72329Interchangeable
interchangeable cross-reference
interchangeable
72329Interchangeable
interchangeable cross-reference
interchangeable
1630PL1188428Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy D72329?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is D72329?
D72329 is a RING,RETAINING.
What parts can replace D72329?
There are 10 known substitutes for D72329: TBA312-18-6EE1, 144733, G300264S4 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D72329?
D72329 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-765-8111. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — D72329

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026