PartsTable
Technical Data Sheet
20373B ✓ 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 hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.875 INCHES NOMINAL IN, overall_length: 30.250 INCHES NOMINAL IN, bolt_hole_quantity: 12, cross-sectional_thickness: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-146-8711, 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
20373B
NSN: 5330-00-146-8711
FSC: 5330
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.875 INCHES NOMINAL IN
overall_length30.250 INCHES NOMINAL IN
bolt_hole_quantity12
cross-sectional_thickness0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
NSN5330-00-146-8711
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20373B 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
BOLT HOLE QUANTITY: 12
CROSS-SECTIONAL THICKNESS: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
HOLE DIAMETER: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH30.250 INCHES NOMINAL IN
BOLT HOLE QUANTITY12
OVERALL WIDTH3.875 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
HOLE DIAMETER0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
A894Interchangeable
interchangeable cross-reference
interchangeable
250457AInterchangeable
interchangeable cross-reference
interchangeable
16024Interchangeable
interchangeable cross-reference
interchangeable
M6000-24-BULKInterchangeable
interchangeable cross-reference
interchangeable
E7791Interchangeable
interchangeable cross-reference
interchangeable
R300-1-1-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20373B?
20373B is a GASKET.
What parts can replace 20373B?
There are 18 known substitutes for 20373B: A894, 250457A, 16024 and 15 more. Substitute compatibility should be verified for your specific system.
Is 20373B still available?
20373B is currently cancelled.
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