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244D88 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

244D88: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, fsc_application_data: ENGINE,AIRCRAFT,RECIPROCATING, housing_bore_diameter: 1.375 INCHES NOMINAL IN, sealing_element_style: VERTICAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-663-6315, 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
244D88
NSN: 5330-00-663-6315
FSC: 5330 — Packing and Gasket Materials
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q SEALING ELEMENT B
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
fsc_application_dataENGINE,AIRCRAFT,RECIPROCATING
housing_bore_diameter1.375 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter0.875 INCHES NOMINAL IN
NSN5330-00-663-6315
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 244D88 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 1.375 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q SEALING ELEMENT B
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
SEAL WIDTH0.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER1.375 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 1
63742Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 244D88?
244D88 is a SEAL,PLAIN ENCASED.
What parts can replace 244D88?
There is 1 known substitute for 244D88: 63742. Substitute compatibility should be verified for your specific system.
What is the NSN for 244D88?
244D88 is cataloged in the U.S. Government catalog under NSN 5330-00-663-6315. 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.