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Technical Data Sheet
PartsTable / COMPONENT / 730372
730372 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, attachment_method: CEMENTED, fsc_application_data: ENGINE,ACFT,TURBO&FAN, housing_bore_diameter: 1.060 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-828-5970, 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
730372
NSN: 5330-00-828-5970
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
attachment_methodCEMENTED
fsc_application_dataENGINE,ACFT,TURBO&FAN
housing_bore_diameter1.060 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter0.687 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed6500 FEET PER MINUTE FT
NSN5330-00-828-5970
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 730372 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
•
HOUSING BORE DIAMETER: 1.060 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ATTACHMENT METHOD: CEMENTED
•
MATERIAL: STEEL CASE
•
FSC APPLICATION DATA: ENGINE,ACFT,TURBO&FAN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 6500 FEET PER MINUTE FT
•
SEAL WIDTH: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER1.060 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
CASE STYLESQUARE
ATTACHMENT METHODCEMENTED
MATERIALSTEEL CASE
FSC APPLICATION DATAENGINE,ACFT,TURBO&FAN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED6500 FEET PER MINUTE FT
END ITEM IDENTIFICATIONW/S: ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H); AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); ENGINE, AIRCRAFT, TF-33-P-7 (C-141A/B); AIRCRAFT, STRATOFORTRESS B-52; ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P); JOINT STARS TARGET RADAR SYSTEM; AIRCRAFT, STRTOLIFTER C-135; ENGINE, AIRCRAFTM TF33-100 (E3A/B/C); AIRCRAFT, STARLIFTER C-141; AIRCRAFT, C-18A, EC-18B A
SEAL WIDTH0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER0.687 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
435463Interchangeable
interchangeable cross-reference
interchangeable
1526130Interchangeable
interchangeable cross-reference
interchangeable
C16191Interchangeable
interchangeable cross-reference
interchangeable
435473Interchangeable
Same NIIN cross-reference
interchangeable
435468Interchangeable
Same NIIN cross-reference
interchangeable
730378Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 730372?
730372 is a SEAL,PLAIN ENCASED.
What parts can replace 730372?
There are 9 known substitutes for 730372: 435463, 1526130, C16191 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 730372?
730372 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-828-5970. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026