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Technical Data Sheet
4L6942 ✓ 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 is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, construction: TWO-PIECE, housing_bore_diameter: 1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-923-6953, 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
4L6942
NSN: 5330-00-923-6953
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
constructionTWO-PIECE
housing_bore_diameter1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
accommodated_shaft_diameter1.000 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-923-6953
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4L6942 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
HOUSING BORE DIAMETER: 1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
MATERIAL: STEEL SPRING
CONSTRUCTION: TWO-PIECE
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
SEAL WIDTH: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
MATERIALSTEEL SPRING
CONSTRUCTIONTWO-PIECE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
SEAL WIDTH0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
513884Interchangeable
Projectile,5 Inch 38 Caliber
interchangeable
513892Interchangeable
Projectile,5 Inch 38 Caliber
interchangeable
1320-D251Interchangeable
Projectile,5 Inch 38 Caliber
interchangeable
1320-D249Interchangeable
Projectile,5 Inch 38 Caliber
interchangeable
1320-D216Interchangeable
Projectile,5 Inch 38 Caliber
interchangeable
9M7432Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4L6942?
4L6942 is a SEAL,PLAIN.
What parts can replace 4L6942?
There are 9 known substitutes for 4L6942: 513884, 513892, 1320-D251 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4L6942?
4L6942 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-923-6953. This indicates validated use in U.S. government and defense supply chains.
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