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Technical Data Sheet
7402878 ✓ 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 outside_diameter: 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN, special_features: OVERALL FIBER MATERIAL, aperture_diameter: 1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN, cross-sectional_thickness: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-740-2878, 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
7402878
NSN: 5330-00-740-2878
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
outside_diameter2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
special_featuresOVERALL FIBER MATERIAL
aperture_diameter1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
cross-sectional_thickness0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-740-2878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7402878 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: 1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
SPECIAL FEATURESOVERALL FIBER MATERIAL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
P85423Interchangeable
interchangeable cross-reference
interchangeable
8542Interchangeable
interchangeable cross-reference
interchangeable
BLK26Interchangeable
interchangeable cross-reference
interchangeable
004-00262-3Interchangeable
interchangeable cross-reference
interchangeable
005-5961Interchangeable
interchangeable cross-reference
interchangeable
SH-3333RGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7402878?
7402878 is a GASKET.
What parts can replace 7402878?
There are 9 known substitutes for 7402878: P85423, 8542, BLK26 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7402878?
7402878 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-740-2878. This indicates validated use in U.S. government and defense supply chains.
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