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PartsTable / COMPONENT / D33419
D33419 ✓ 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: EXTERNAL AND INTERNAL, inside_diameter: 3.718 INCHES NOMINAL IN, major_thickness: 0.156 INCHES MINIMUM AND 0.157 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 5325-00-282-5603, 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
D33419
NSN: 5325-00-282-5603
FSC: 5325
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1065
end_styleVERTEX CENTER OR ABOVE
ring_styleSTRAIGHT GAP
usage_designEXTERNAL AND INTERNAL
inside_diameter3.718 INCHES NOMINAL IN
major_thickness0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
outside_diameter4.343 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationQQ-S-633 AMEND 2, FS1065 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-282-5603
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D33419 · 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: 3.718 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1065
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 AMEND 2, FS1065 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 4.343 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
•
MAJOR THICKNESS: 0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
•
USAGE DESIGN: EXTERNAL AND INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER3.718 INCHES NOMINAL IN
MATERIALSTEEL COMP 1065
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 AMEND 2, FS1065 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER4.343 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
MAJOR THICKNESS0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
USAGE DESIGNEXTERNAL AND INTERNAL
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
END STYLEVERTEX CENTER OR ABOVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
33419Interchangeable
interchangeable cross-reference
interchangeable
0A261GPNInterchangeable
interchangeable cross-reference
interchangeable
5226400Interchangeable
interchangeable cross-reference
interchangeable
PC5226400Interchangeable
interchangeable cross-reference
interchangeable
K-5226400Interchangeable
interchangeable cross-reference
interchangeable
33.419Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D33419?
D33419 is a RING,RETAINING.
What parts can replace D33419?
There are 13 known substitutes for D33419: 33419, 0A261GPN, 5226400 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D33419?
D33419 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-5603. 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