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Technical Data Sheet
42A40908A02 ✓ 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 RUBBER ROUND SECTION is a the manufacturer industrial component. Key specifications include color: BLACK BOTH SIDES, length: 4.000 INCHES NOMINAL IN, material: RUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED, surface_condition: SMOOTH BOTH SIDES, cross-sectional_shape_style: CIRCULAR, nonmetallic_hardness_rating: 60.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-115-6135, 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
42A40908A02
NSN: 5330-00-115-6135
FSC: 5330
CAGE: 94990 — MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP (USA)
SPECIFICATIONS
colorBLACK BOTH SIDES
length4.000 INCHES NOMINAL IN
materialRUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
surface_conditionSMOOTH BOTH SIDES
cross-sectional_shape_styleCIRCULAR
nonmetallic_hardness_rating60.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A
cross_section_outside_diameter0.120 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
material_document_and_classification5-E-703-1 94990 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5330-00-115-6135
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42A40908A02 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
LENGTH: 4.000 INCHES NOMINAL IN
SURFACE CONDITION: SMOOTH BOTH SIDES
COLOR: BLACK BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATION: 5-E-703-1 94990 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
MATERIAL: RUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
NONMETALLIC HARDNESS RATING: 60.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A
CROSS SECTION OUTSIDE DIAMETER: 0.120 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH4.000 INCHES NOMINAL IN
SURFACE CONDITIONSMOOTH BOTH SIDES
COLORBLACK BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATION5-E-703-1 94990 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
CROSS-SECTIONAL SHAPE STYLECIRCULAR
MATERIALRUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED
NONMETALLIC HARDNESS RATING60.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A
CROSS SECTION OUTSIDE DIAMETER0.120 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MIL-B-16909 TY1Interchangeable
interchangeable cross-reference
interchangeable
47.422Interchangeable
interchangeable cross-reference
interchangeable
WANDAInterchangeable
interchangeable cross-reference
interchangeable
50063CSH3PCSP51Interchangeable
interchangeable cross-reference
interchangeable
50053-223ITEM50Interchangeable
interchangeable cross-reference
interchangeable
1496824Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42A40908A02?
42A40908A02 is a RUBBER ROUND SECTION.
What parts can replace 42A40908A02?
There are 14 known substitutes for 42A40908A02: MIL-B-16909 TY1, 47.422, WANDA and 11 more. Substitute compatibility should be verified for your specific system.
Is 42A40908A02 still available?
42A40908A02 is currently cancelled.
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