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PartsTable / COMPONENT / BW210057
BW210057 ✓ 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 FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include material: WOOL COMP 9R1 OVERALL, joint_type: SCARF-BEARING SURFACE ONE SIDE, outside_diameter: 2.312 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.031 INCHES NOMINAL IN, cross-sectional_width: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-422-7687, 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
BW210057
NSN: 5330-00-422-7687
FSC: 5330
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
materialWOOL COMP 9R1 OVERALL
joint_typeSCARF-BEARING SURFACE ONE SIDE
outside_diameter2.312 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.031 INCHES NOMINAL IN
cross-sectional_width0.250 INCHES NOMINAL IN
cross-sectional_height0.1405 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-422-7687
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BW210057 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
•
APERTURE DIAMETER: 2.031 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.312 INCHES NOMINAL IN
•
MATERIAL: WOOL COMP 9R1 OVERALL
•
CROSS-SECTIONAL WIDTH: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL HEIGHT: 0.1405 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER2.031 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.312 INCHES NOMINAL IN
MATERIALWOOL COMP 9R1 OVERALL
CROSS-SECTIONAL WIDTH0.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL HEIGHT0.1405 INCHES NOMINAL IN
JOINT TYPESCARF-BEARING SURFACE ONE SIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
210057Interchangeable
interchangeable cross-reference
interchangeable
201921-1Interchangeable
interchangeable cross-reference
interchangeable
372-5596-150Interchangeable
interchangeable cross-reference
interchangeable
245768-000Interchangeable
interchangeable cross-reference
interchangeable
177537Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BW210057?
BW210057 is a FELT,MECHANICAL,PREFORMED.
What parts can replace BW210057?
There are 5 known substitutes for BW210057: 210057, 201921-1, 372-5596-150 and 2 more. Substitute compatibility should be verified for your specific system.
Is BW210057 still available?
BW210057 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