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X1440T55B — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

X1440T55B: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, overall_width: 0.1250 INCHES NOMINAL IN, fsc_application_data: LIQUID OXYGEN GENERATOR, radial_wall_thickness: 0.1490 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN, standard_bore_diameter: 3.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-989-7816, 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
X1440T55B
NSN: 3040-00-989-7816
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
overall_width0.1250 INCHES NOMINAL IN
fsc_application_dataLIQUID OXYGEN GENERATOR
radial_wall_thickness0.1490 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN
standard_bore_diameter3.625 INCHES IN
cross-sectional_shape_styleTAPERED FACE, TAPERED BOTTOM
NSN3040-00-989-7816
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN X1440T55B MFR RING,PISTON
KEY FEATURES
•
FSC APPLICATION DATA: LIQUID OXYGEN GENERATOR
•
CROSS-SECTIONAL SHAPE STYLE: TAPERED FACE, TAPERED BOTTOM
•
RADIAL WALL THICKNESS: 0.1490 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 3.625 INCHES IN
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATALIQUID OXYGEN GENERATOR
OVERALL WIDTH0.1250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLETAPERED FACE, TAPERED BOTTOM
RADIAL WALL THICKNESS0.1490 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER3.625 INCHES IN
MATERIALIRON OVERALL
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES 1
R63136B362Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X1440T55B?
X1440T55B is a RING,PISTON.
What parts can replace X1440T55B?
There is 1 known substitute for X1440T55B: R63136B362. Substitute compatibility should be verified for your specific system.
What is the NSN for X1440T55B?
X1440T55B is cataloged in the U.S. Government catalog under NSN 3040-00-989-7816. 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.