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Technical Data Sheet
PartsTable / COMPONENT / 21437-00
21437-00 ✓ 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 PAPER,GASKET is a the manufacturer industrial component. Key specifications include width: 13.500 INCHES NOMINAL IN, material: PAPER LOCATION NOT OTHERWISE SPECIFIED, thickness: 0.049 INCHES NOMINAL IN, fiber_type: ANIMAL OR PLANT, special_features: 12 HOLES EVENLY SPACED ON 12.500 IN. BOLT CIRCLE IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-561-8750, 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
21437-00
NSN: 5330-00-561-8750
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
width13.500 INCHES NOMINAL IN
materialPAPER LOCATION NOT OTHERWISE SPECIFIED
thickness0.049 INCHES NOMINAL IN
fiber_typeANIMAL OR PLANT
special_features12 HOLES EVENLY SPACED ON 12.500 IN. BOLT CIRCLE IN
NSN5330-00-561-8750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21437-00 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
•
MATERIAL: PAPER LOCATION NOT OTHERWISE SPECIFIED
•
THICKNESS: 0.049 INCHES NOMINAL IN
•
WIDTH: 13.500 INCHES NOMINAL IN
•
FIBER TYPE: ANIMAL OR PLANT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPAPER LOCATION NOT OTHERWISE SPECIFIED
THICKNESS0.049 INCHES NOMINAL IN
WIDTH13.500 INCHES NOMINAL IN
FIBER TYPEANIMAL OR PLANT
SPECIAL FEATURES12 HOLES EVENLY SPACED ON 12.500 IN. BOLT CIRCLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
21437Interchangeable
interchangeable cross-reference
interchangeable
21437CInterchangeable
interchangeable cross-reference
interchangeable
110-25810 ITEM 9Interchangeable
interchangeable cross-reference
interchangeable
110-25810Interchangeable
interchangeable cross-reference
interchangeable
6383785Interchangeable
interchangeable cross-reference
interchangeable
30119Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21437-00?
21437-00 is a PAPER,GASKET.
What parts can replace 21437-00?
There are 6 known substitutes for 21437-00: 21437, 21437C, 110-25810 ITEM 9 and 3 more. Substitute compatibility should be verified for your specific system.
Is 21437-00 still available?
21437-00 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026