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Technical Data Sheet
PartsTable / COMPONENT / 5T1220
5T1220 ✓ 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: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.625 INCHES NOMINAL IN, housing_bore_diameter: 4.626 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 3.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-154-8273, 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
5T1220
NSN: 5330-00-154-8273
FSC: 5330
CAGE: 99832 — SCOTT HUBER ESSICK A CO OF FIGGIE INTERNATIONAL INC (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.625 INCHES NOMINAL IN
housing_bore_diameter4.626 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-154-8273
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5T1220 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
•
SEAL WIDTH: 0.625 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
•
MATERIAL: STEEL CASE
•
HOUSING BORE DIAMETER: 4.626 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 3.625 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.625 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
HOUSING BORE DIAMETER4.626 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER3.625 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
NL422W10-008Interchangeable
interchangeable cross-reference
interchangeable
61101Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-23264/2Interchangeable
interchangeable cross-reference
interchangeable
72779Interchangeable
interchangeable cross-reference
interchangeable
241151Interchangeable
interchangeable cross-reference
interchangeable
192053Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5T1220?
5T1220 is a SEAL,PLAIN ENCASED.
What parts can replace 5T1220?
There are 19 known substitutes for 5T1220: NL422W10-008, 61101, MIL-I-23264/2 and 16 more. Substitute compatibility should be verified for your specific system.
Is 5T1220 still available?
5T1220 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