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Technical Data Sheet
CHA00377 ✓ 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 case_style: SHOULDERED, seal_width: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, housing_bore_diameter: 1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.092 INCHES NOMINAL 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 5330-00-978-2826, 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
CHA00377
NSN: 5330-00-978-2826
FSC: 5330
CAGE: 12027 — KLINE MANUFACTURING CO INC (USA)
SPECIFICATIONS
case_styleSHOULDERED
seal_width0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
housing_bore_diameter1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
accommodated_shaft_diameter1.092 INCHES NOMINAL IN
NSN5330-00-978-2826
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CHA00377 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
TEMP RATING: -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
SEAL WIDTH: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
CASE STYLE: SHOULDERED
ACCOMMODATED SHAFT DIAMETER: 1.092 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
SEAL WIDTH0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
CASE STYLESHOULDERED
ACCOMMODATED SHAFT DIAMETER1.092 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
408024Interchangeable
interchangeable cross-reference
interchangeable
TW-12BInterchangeable
interchangeable cross-reference
interchangeable
1820387Interchangeable
interchangeable cross-reference
interchangeable
10082542Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CHA00377?
CHA00377 is a SEAL,PLAIN ENCASED.
What parts can replace CHA00377?
There are 4 known substitutes for CHA00377: 408024, TW-12B, 1820387 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CHA00377?
CHA00377 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-978-2826. This indicates validated use in U.S. government and defense supply chains.
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