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PartsTable / COMPONENT / 1650PSTD
1650PSTD ✓ 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: 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN, radial_wall_thickness: 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN, standard_bore_diameter: 3.500 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-173-5286, 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
1650PSTD
NSN: 4310-00-173-5286
FSC: 4310
CAGE: 49576 — QUINCY COMPRESSOR DIVISION OF COLTEC INDUSTRIES INC DBA QUINCY COMPRESSOR DIV QUINCY COMPRESSOR (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
radial_wall_thickness0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
standard_bore_diameter3.500 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN4310-00-173-5286
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 1650PSTD MFR RING,PISTON
KEY FEATURES
•
JOINT STYLE: VERTICAL JOINT
•
STANDARD BORE DIAMETER: 3.500 INCHES IN
•
MATERIAL: IRON OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
RING STYLE: CONCENTRIC
•
RADIAL WALL THICKNESS: 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
JOINT STYLEVERTICAL JOINT
STANDARD BORE DIAMETER3.500 INCHES IN
MATERIALIRON OVERALL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
RING STYLECONCENTRIC
OVERALL WIDTH0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
RADIAL WALL THICKNESS0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
663102Interchangeable
interchangeable cross-reference
interchangeable
1290Interchangeable
interchangeable cross-reference
interchangeable
190-90000Interchangeable
interchangeable cross-reference
interchangeable
50572Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
59632Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1650PSTD?
1650PSTD is a RING,PISTON.
What parts can replace 1650PSTD?
There are 25 known substitutes for 1650PSTD: 663102, 1290, 190-90000 and 22 more. Substitute compatibility should be verified for your specific system.
Is 1650PSTD still available?
1650PSTD 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