PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 0042121-4
0042121-4 ✓ 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: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: INTERNAL AND EXTERNAL, inside_diameter: 3.719 INCHES NOMINAL IN, major_thickness: 0.096 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-598-1465, 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
0042121-4
NSN: 5325-00-598-1465
FSC: 5325
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designINTERNAL AND EXTERNAL
inside_diameter3.719 INCHES NOMINAL IN
major_thickness0.096 INCHES NOMINAL IN
outside_diameter4.094 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-598-1465
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0042121-4 · 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
•
OUTSIDE DIAMETER: 4.094 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 3.719 INCHES NOMINAL IN
•
RING STYLE: STRAIGHT GAP
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
END STYLE: 90 DEGREE PARALLEL
•
MAJOR THICKNESS: 0.096 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER4.094 INCHES NOMINAL IN
MATERIALSTEEL
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER3.719 INCHES NOMINAL IN
RING STYLESTRAIGHT GAP
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END STYLE90 DEGREE PARALLEL
MAJOR THICKNESS0.096 INCHES NOMINAL IN
USAGE DESIGNINTERNAL AND EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
042121Interchangeable
interchangeable cross-reference
interchangeable
8512-150Interchangeable
interchangeable cross-reference
interchangeable
4212-1Interchangeable
interchangeable cross-reference
interchangeable
12M23-42110Interchangeable
interchangeable cross-reference
interchangeable
12M23-42110 ITEM 11Interchangeable
interchangeable cross-reference
interchangeable
0042121Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0042121-4?
0042121-4 is a RING,RETAINING.
What parts can replace 0042121-4?
There are 6 known substitutes for 0042121-4: 042121, 8512-150, 4212-1 and 3 more. Substitute compatibility should be verified for your specific system.
Is 0042121-4 still available?
0042121-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026