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PartsTable / COMPONENT / B42305
B42305 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hole_diameter: 0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.750 INCHES NOMINAL IN, aperture_width: 2.000 INCHES NOMINAL IN, overall_length: 7.312 INCHES NOMINAL IN, aperture_length: 5.969 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 5330-01-193-0210, 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
B42305
NSN: 5330-01-193-0210
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hole_diameter0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.750 INCHES NOMINAL IN
aperture_width2.000 INCHES NOMINAL IN
overall_length7.312 INCHES NOMINAL IN
aperture_length5.969 INCHES NOMINAL IN
hardness_rating35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
bolt_hole_quantity4
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationZZ-R-765,GR 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-193-0210
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B42305 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 TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,GR 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.625 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT HOLE QUANTITY: 4
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
STYLE DESIGNATOR: NON-CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,GR 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.625 INCHES NOMINAL IN
HOLE DIAMETER0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT HOLE QUANTITY4
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORNON-CIRCULAR
APERTURE WIDTH2.000 INCHES NOMINAL IN
APERTURE LENGTH5.969 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
042305Interchangeable
interchangeable cross-reference
interchangeable
42305Interchangeable
interchangeable cross-reference
interchangeable
CR122671PC255Interchangeable
interchangeable cross-reference
interchangeable
60179Interchangeable
interchangeable cross-reference
interchangeable
1248008Interchangeable
interchangeable cross-reference
interchangeable
3313 EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B42305?
B42305 is a GASKET.
What parts can replace B42305?
There are 8 known substitutes for B42305: 042305, 42305, CR122671PC255 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B42305?
B42305 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-193-0210. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026