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N1871PC125 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

N1871PC125: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.5850 INCHES NOMINAL IN, radial_wall_thickness: 0.3320 INCHES NOMINAL IN, standard_bore_diameter: 16.830 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-261-9689, 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
N1871PC125
NSN: 4310-00-261-9689
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 16603 — CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION DIV WESTECH HEAVY MACHINERY DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.5850 INCHES NOMINAL IN
radial_wall_thickness0.3320 INCHES NOMINAL IN
standard_bore_diameter16.830 INCHES IN
end_item_identificationGEAR ASSEMBLY SPEED DECREASER,H180-SEAHORSE
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN4310-00-261-9689
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN N1871PC125 MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: VERTICAL JOINT
•
RADIAL WALL THICKNESS: 0.3320 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 16.830 INCHES IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.5850 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
RADIAL WALL THICKNESS0.3320 INCHES NOMINAL IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER16.830 INCHES IN
END ITEM IDENTIFICATIONGEAR ASSEMBLY SPEED DECREASER,H180-SEAHORSE
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4310-00-000-0050 4310-00-001-0059 4310-00-001-2044 4310-00-001-3477 4310-00-001-3493 4310-00-001-6194 4310-00-001-6381 4310-00-001-7755
SUBSTITUTES & CROSS-REFERENCES 1
N1871-125Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N1871PC125?
N1871PC125 is a RING,PISTON.
What parts can replace N1871PC125?
There is 1 known substitute for N1871PC125: N1871-125. Substitute compatibility should be verified for your specific system.
What is the NSN for N1871PC125?
N1871PC125 is cataloged in the U.S. Government catalog under NSN 4310-00-261-9689. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.