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Technical Data Sheet
2120D ✓ 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, outside_diameter: 0.440 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.280 INCHES NOMINAL IN, cross-sectional_width: 0.180 INCHES NOMINAL IN, cross-sectional_height: 0.080 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-2943, 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
2120D
NSN: 5330-00-291-2943
FSC: 5330
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialWOOL COMP 9R1 OVERALL
outside_diameter0.440 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.280 INCHES NOMINAL IN
cross-sectional_width0.180 INCHES NOMINAL IN
cross-sectional_height0.080 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-291-2943
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2120D 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
STYLE DESIGNATOR: CIRCULAR
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: WOOL COMP 9R1 OVERALL
OUTSIDE DIAMETER: 0.440 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH: 0.180 INCHES NOMINAL IN
APERTURE DIAMETER: 0.280 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.080 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALWOOL COMP 9R1 OVERALL
OUTSIDE DIAMETER0.440 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.180 INCHES NOMINAL IN
APERTURE DIAMETER0.280 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.080 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
T574Interchangeable
interchangeable cross-reference
interchangeable
6044Interchangeable
interchangeable cross-reference
interchangeable
NCS1601Interchangeable
interchangeable cross-reference
interchangeable
CT574Interchangeable
interchangeable cross-reference
interchangeable
4X787Interchangeable
interchangeable cross-reference
interchangeable
5499Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2120D?
2120D is a FELT,MECHANICAL,PREFORMED.
What parts can replace 2120D?
There are 17 known substitutes for 2120D: T574, 6044, NCS1601 and 14 more. Substitute compatibility should be verified for your specific system.
Is 2120D still available?
2120D is currently cancelled.
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