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Technical Data Sheet
PartsTable / COMPONENT / 212W112M1
212W112M1 ✓ 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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, special_features: W/PROTECTIVE INNER CASE, housing_bore_diameter: 2.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-678-7106, 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
212W112M1
NSN: 5330-00-678-7106
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
special_featuresW/PROTECTIVE INNER CASE
housing_bore_diameter2.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-678-7106
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 212W112M1 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
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
•
ACCOMMODATED SHAFT DIAMETER: 1.375 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.125 INCHES NOMINAL IN
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER1.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.125 INCHES NOMINAL IN
SEAL WIDTH0.438 INCHES NOMINAL IN
SPECIAL FEATURESW/PROTECTIVE INNER CASE
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
2HG156Interchangeable
interchangeable cross-reference
interchangeable
CA35S41-095PC17WASHERInterchangeable
interchangeable cross-reference
interchangeable
A1A156A103PC41Interchangeable
interchangeable cross-reference
interchangeable
531574-001Interchangeable
interchangeable cross-reference
interchangeable
HB202-1Interchangeable
interchangeable cross-reference
interchangeable
W10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 212W112M1?
212W112M1 is a SEAL,PLAIN ENCASED.
What parts can replace 212W112M1?
There are 26 known substitutes for 212W112M1: 2HG156, CA35S41-095PC17WASHER, A1A156A103PC41 and 23 more. Substitute compatibility should be verified for your specific system.
Is 212W112M1 still available?
212W112M1 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