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Technical Data Sheet
225856 ✓ 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: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, housing_bore_diameter: 1.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.562 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-9882, 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
225856
NSN: 5330-00-297-9882
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
housing_bore_diameter1.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.562 INCHES NOMINAL IN
nondefinitive_spec/std_data2 CLASS
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-297-9882
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 225856 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
CENTER HOLE DIAMETER: 0.486 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
RIM SURFACE WIDTH: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
ANGLE: 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
PERIPHERAL DIAMETER: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.486 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
RIM SURFACE WIDTH0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
ANGLE43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
PERIPHERAL DIAMETER0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A-A-52524Interchangeable
interchangeable cross-reference
interchangeable
MILS45005Interchangeable
interchangeable cross-reference
interchangeable
225856Interchangeable
interchangeable cross-reference
interchangeable
183668Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 225856?
225856 is a SEAL,PLAIN ENCASED.
What parts can replace 225856?
There are 4 known substitutes for 225856: A-A-52524, MILS45005, 225856 and 1 more. Substitute compatibility should be verified for your specific system.
Is 225856 still available?
225856 is currently cancelled.
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