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20920-1 — GEARCASE-MOTOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20920-1: GEARCASE-MOTOR.

The GEARCASE-MOTOR is a the manufacturer industrial component. Key specifications include end_item_identification: AN/MPN-14K. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-598-7099, 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
20920-1
NSN: 5340-00-598-7099
NIINs: 005987099, 013765466
FSC: 5340 — Hardware, Commercial
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)
SPECIFICATIONS
end_item_identificationAN/MPN-14K
NSN5340-00-598-7099
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20920-1 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
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BOTTOM FLANGE DIAMETER: 0.313 INCHES NOMINAL IN
•
OUTSIDE/TOP FLANGE DIAMETER: 0.500 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
BOTTOM FLANGE WIDTH: 0.125 INCHES NOMINAL IN
•
COLOR: BLACK
•
TOP FLANGE WIDTH: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOTTOM FLANGE DIAMETER0.313 INCHES NOMINAL IN
OVERALL HEIGHT0.344 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.500 INCHES NOMINAL IN
GROOVE DIAMETER0.250 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGE
BOTTOM FLANGE WIDTH0.125 INCHES NOMINAL IN
COLORBLACK
TOP FLANGE WIDTH0.156 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 2
7019664P1Reference document
Same NSN cross-reference
Reference document — Secondary reference
348-0013-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20920-1?
20920-1 is a GEARCASE-MOTOR.
What parts can replace 20920-1?
There are 2 known substitutes for 20920-1: 7019664P1, 348-0013-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 20920-1?
20920-1 is cataloged in the U.S. Government catalog under NSN 5340-00-598-7099. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.