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Technical Data Sheet
PartsTable / COMPONENT / D33421
D33421 ✓ 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 COMP 1065, end_style: VERTEX CENTER OR ABOVE, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 3.406 INCHES NOMINAL IN, major_thickness: 0.091 INCHES MINIMUM AND 0.095 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 5325-00-200-6317, 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
D33421
NSN: 5325-00-200-6317
FSC: 5325
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1065
end_styleVERTEX CENTER OR ABOVE
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter3.406 INCHES NOMINAL IN
major_thickness0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
outside_diameter3.656 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A576, COMP 1065 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-200-6317
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D33421 · 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
•
INSIDE DIAMETER: 3.406 INCHES NOMINAL IN
•
USAGE DESIGN: INTERNAL
•
MATERIAL: STEEL COMP 1065
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576, COMP 1065 ASSN STD SINGLE MATERIAL RESPONSE
•
END STYLE: VERTEX CENTER OR ABOVE
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
RING STYLE: STRAIGHT GAP
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER3.406 INCHES NOMINAL IN
USAGE DESIGNINTERNAL
MATERIALSTEEL COMP 1065
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576, COMP 1065 ASSN STD SINGLE MATERIAL RESPONSE
END STYLEVERTEX CENTER OR ABOVE
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
RING STYLESTRAIGHT GAP
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER3.656 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
3342-1Interchangeable
interchangeable cross-reference
interchangeable
121305Interchangeable
interchangeable cross-reference
interchangeable
A26306Interchangeable
interchangeable cross-reference
interchangeable
41223-859-00-4Interchangeable
interchangeable cross-reference
interchangeable
1252-2316Interchangeable
interchangeable cross-reference
interchangeable
223920Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D33421?
D33421 is a RING,RETAINING.
What parts can replace D33421?
There are 14 known substitutes for D33421: 3342-1, 121305, A26306 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D33421?
D33421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-200-6317. 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