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744-200 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

744-200: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1200 INCHES NOMINAL IN, fsc_application_data: PISTON,VALVE,PRESSURE REGULATING,REDUCING, radial_wall_thickness: 0.0680 INCHES MINIMUM AND 0.0780 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-288-1229, 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
744-200
NSN: 4310-00-288-1229
NIINs: 002881229, 016204157
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1200 INCHES NOMINAL IN
fsc_application_dataPISTON,VALVE,PRESSURE REGULATING,REDUCING
radial_wall_thickness0.0680 INCHES MINIMUM AND 0.0780 INCHES MAXIMUM IN
standard_bore_diameter1.748 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN4310-00-288-1229
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 744-200 MFR RING,PISTON
KEY FEATURES
•
FSC APPLICATION DATA: PISTON,VALVE,PRESSURE REGULATING,REDUCING
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: VERTICAL JOINT
•
RADIAL WALL THICKNESS: 0.0680 INCHES MINIMUM AND 0.0780 INCHES MAXIMUM IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 1.748 INCHES IN
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAPISTON,VALVE,PRESSURE REGULATING,REDUCING
OVERALL WIDTH0.1200 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
RADIAL WALL THICKNESS0.0680 INCHES MINIMUM AND 0.0780 INCHES MAXIMUM IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER1.748 INCHES IN
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES 10
PNS139-1PC15Reference document
Same NSN cross-reference
Reference document — Secondary reference
PNS135-8PC15Reference document
Same NSN cross-reference
Reference document — Secondary reference
3355Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PNS135-12PC15Reference document
Same NSN cross-reference
Reference document — Secondary reference
5576NPC25Reference document
Same NSN cross-reference
Reference document — Secondary reference
PNS135-22PC15Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 744-200?
744-200 is a RING,PISTON.
What parts can replace 744-200?
There are 10 known substitutes for 744-200: PNS139-1PC15, PNS135-8PC15, 3355 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 744-200?
744-200 is cataloged in the U.S. Government catalog under NSN 4310-00-288-1229. 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.