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Technical Data Sheet
PartsTable / COMPONENT / 63439H
63439H ✓ 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: VERTEX BELOW CENTER, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 2.813 INCHES NOMINAL IN, major_thickness: 0.062 INCHES MINIMUM AND 0.065 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 5325-00-378-1208, 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
63439H
NSN: 5325-00-378-1208
FSC: 5325
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX BELOW CENTER
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter2.813 INCHES NOMINAL IN
major_thickness0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
outside_diameter3.187 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-378-1208
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 63439H · 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
•
MAJOR THICKNESS: 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
USAGE DESIGN: INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 3.187 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
INSIDE DIAMETER: 2.813 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER3.187 INCHES NOMINAL IN
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER2.813 INCHES NOMINAL IN
END STYLEVERTEX BELOW CENTER
RING STYLESTRAIGHT GAP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
23148Interchangeable
interchangeable cross-reference
interchangeable
2276-1Interchangeable
interchangeable cross-reference
interchangeable
5398Interchangeable
interchangeable cross-reference
interchangeable
31-300Interchangeable
interchangeable cross-reference
interchangeable
5398-1Interchangeable
interchangeable cross-reference
interchangeable
1011-015-A071Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63439H?
63439H is a RING,RETAINING.
What parts can replace 63439H?
There are 18 known substitutes for 63439H: 23148, 2276-1, 5398 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63439H?
63439H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-378-1208. 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