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4908574 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 0.375 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: STRAIGHT BORE W/TWO GROOVES, thread_provision: UNTHREADED, first_groove_width: 0.031 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-874-5364, 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
4908574
NSN: 2815-00-874-5364
FSC: 2815
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.375 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorSTRAIGHT BORE W/TWO GROOVES
thread_provisionUNTHREADED
first_groove_width0.031 INCHES NOMINAL IN
second_groove_width0.031 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
largest_inside_diameter0.344 INCHES NOMINAL IN
minimum_inside_diameter0.188 INCHES IN
outside_included_angle_in_deg15.0
criticality_code_justificationFEAT
NSN2815-00-874-5364
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,VALVE SPRING RETAINER TITLE COMPONENT PN 4908574 MFR LOCK,VALVE SPRING RETA
KEY FEATURES
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE INCLUDED ANGLE IN DEG: 15.0
•
DISTANCE FROM BOTTOM TO FIRST GROOVE CENTER: 0.156 INCHES NOMINAL IN
•
FIRST GROOVE WIDTH: 0.031 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MINIMUM INSIDE DIAMETER: 0.188 INCHES IN
•
SECOND GROOVE WIDTH: 0.031 INCHES NOMINAL IN
•
LARGEST INSIDE DIAMETER: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE INCLUDED ANGLE IN DEG15.0
DISTANCE FROM BOTTOM TO FIRST GROOVE CENTER0.156 INCHES NOMINAL IN
FIRST GROOVE WIDTH0.031 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
MINIMUM INSIDE DIAMETER0.188 INCHES IN
SECOND GROOVE WIDTH0.031 INCHES NOMINAL IN
LARGEST INSIDE DIAMETER0.344 INCHES NOMINAL IN
THREAD PROVISIONUNTHREADED
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
Z120S2220Interchangeable
interchangeable cross-reference
interchangeable
007857548Interchangeable
interchangeable cross-reference
interchangeable
142393Interchangeable
interchangeable cross-reference
interchangeable
CTCVT3234Interchangeable
Same NIIN cross-reference
interchangeable
53251-AInterchangeable
Same NIIN cross-reference
interchangeable
CVT03234Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4908574?
4908574 is a LOCK,VALVE SPRING RETAINER.
What parts can replace 4908574?
There are 10 known substitutes for 4908574: Z120S2220, 007857548, 142393 and 7 more. Substitute compatibility should be verified for your specific system.
Is 4908574 still available?
4908574 is currently cancelled.
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Last verified: July 2026