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DS634 ✓ 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 RING,PISTON is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, special_features: MATL ALUMINUM W/ PHENOLIC, loop_inside_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-363-8365, 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
DS634
NSN: 2815-00-363-8365
FSC: 2815
CAGE: 43952 — ENERGY SERVICES GROUP DIV OF COOPER INDUSTRIES INC (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
special_featuresMATL ALUMINUM W/ PHENOLIC
loop_inside_diameter0.500 INCHES NOMINAL IN
NSN2815-00-363-8365
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN DS634 MFR RING,PISTON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2824Interchangeable
interchangeable cross-reference
interchangeable
998-D-11Interchangeable
interchangeable cross-reference
interchangeable
3038Interchangeable
interchangeable cross-reference
interchangeable
03038Interchangeable
interchangeable cross-reference
interchangeable
227-1071PT3Interchangeable
interchangeable cross-reference
interchangeable
303Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DS634?
DS634 is a RING,PISTON.
What parts can replace DS634?
There are 19 known substitutes for DS634: 2824, 998-D-11, 3038 and 16 more. Substitute compatibility should be verified for your specific system.
Is DS634 still available?
DS634 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