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Technical Data Sheet
40375 PART 7B GASKET ✓ 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 CHLOROPRENE CLASS CR OVERALL, overall_width: 3.500 INCHES NOMINAL IN, aperture_width: 2.500 INCHES NOMINAL IN, overall_length: 5.625 INCHES NOMINAL IN, aperture_length: 4.625 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-902-7851, 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
40375 PART 7B GASKET
NSN: 5330-00-902-7851
FSC: 5330
CAGE: 95335 — ATLANTIC RESEARCH CORP (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
overall_width3.500 INCHES NOMINAL IN
aperture_width2.500 INCHES NOMINAL IN
overall_length5.625 INCHES NOMINAL IN
aperture_length4.625 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-STD-670 SCE7 MIL STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-902-7851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40375 PART 7B GASKET 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 LENGTH: 4.625 INCHES NOMINAL IN
STYLE DESIGNATOR: NON-CIRCULAR
APERTURE WIDTH: 2.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-670 SCE7 MIL STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE LENGTH4.625 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
APERTURE WIDTH2.500 INCHES NOMINAL IN
OVERALL LENGTH5.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-670 SCE7 MIL STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH3.500 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
ST81D216-2Interchangeable
interchangeable cross-reference
interchangeable
59P-8Interchangeable
interchangeable cross-reference
interchangeable
12092Interchangeable
interchangeable cross-reference
interchangeable
A12092Interchangeable
interchangeable cross-reference
interchangeable
EX98Interchangeable
interchangeable cross-reference
interchangeable
651-1313Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40375 PART 7B GASKET?
40375 PART 7B GASKET is a GASKET.
What parts can replace 40375 PART 7B GASKET?
There are 13 known substitutes for 40375 PART 7B GASKET: ST81D216-2, 59P-8, 12092 and 10 more. Substitute compatibility should be verified for your specific system.
Is 40375 PART 7B GASKET still available?
40375 PART 7B GASKET is currently cancelled.
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