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PartsTable / COMPONENT / 88683
88683 ✓ 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: STEEL OVERALL, thickness: 0.153 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, hole_diameter: 0.526 INCHES NOMINAL IN, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM, overall_diameter: 1.092 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-979-4817, 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
88683
NSN: 2815-00-979-4817
FSC: 2815
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.153 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
hole_diameter0.526 INCHES NOMINAL IN
hardness_rating43.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
overall_diameter1.092 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN2815-00-979-4817
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 88683 MFR RING,PISTON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3257Interchangeable
interchangeable cross-reference
interchangeable
3257-00Interchangeable
interchangeable cross-reference
interchangeable
USAF325-7Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEA2Interchangeable
interchangeable cross-reference
interchangeable
172-377Interchangeable
interchangeable cross-reference
interchangeable
FD28851Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88683?
88683 is a RING,PISTON.
What parts can replace 88683?
There are 12 known substitutes for 88683: 3257, 3257-00, USAF325-7 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88683?
88683 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-979-4817. 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