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Technical Data Sheet
8D18113M ✓ 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: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN, surface_treatment: CHROMIUM OVERALL, fsc_application_data: PISTON,VALVE,REGULATING,FLUID PRESSURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-851-3068, 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
8D18113M
NSN: 4310-00-851-3068
FSC: 4310
CAGE: 62316 — NATIONAL CIRCUITS INC (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
fsc_application_dataPISTON,VALVE,REGULATING,FLUID PRESSURE
radial_wall_thickness0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
standard_bore_diameter1.625 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN4310-00-851-3068
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 8D18113M MFR RING,PISTON
KEY FEATURES
SURFACE TREATMENT: CHROMIUM OVERALL
FSC APPLICATION DATA: PISTON,VALVE,REGULATING,FLUID PRESSURE
MATERIAL: IRON OVERALL
STANDARD BORE DIAMETER: 1.625 INCHES IN
JOINT STYLE: VERTICAL JOINT
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
RING STYLE: CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMIUM OVERALL
FSC APPLICATION DATAPISTON,VALVE,REGULATING,FLUID PRESSURE
MATERIALIRON OVERALL
STANDARD BORE DIAMETER1.625 INCHES IN
JOINT STYLEVERTICAL JOINT
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
OVERALL WIDTH0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
RING STYLECONCENTRIC
RADIAL WALL THICKNESS0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
12977Interchangeable
interchangeable cross-reference
interchangeable
D25-168Interchangeable
interchangeable cross-reference
interchangeable
9D18113MInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8D18113M?
8D18113M is a RING,PISTON.
What parts can replace 8D18113M?
There are 3 known substitutes for 8D18113M: 12977, D25-168, 9D18113M. Substitute compatibility should be verified for your specific system.
Is 8D18113M still available?
8D18113M is currently cancelled.
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