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C4-191 — GEAR ASSEMBLY,SPEED DECREASER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C4-191: GEAR ASSEMBLY,SPEED DECREASER.

The GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include diameter: 0.813 INCHES NOMINAL IN, thickness: 0.062 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, supplementary_features: MATERIAL: FIBER, end_item_identification: USED ON C-4191 PART OF HARTZELL PROPELLER GOVERNOR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-377-2498, 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
C4-191
NSN: 5330-00-377-2498
NIINs: 003772498, 014678754
FSC: 5330 — Packing and Gasket Materials
CAGE: 80072 — H20 TANK INC U S MOTORS DIV (USA)
SPECIFICATIONS
diameter0.813 INCHES NOMINAL IN
thickness0.062 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
supplementary_featuresMATERIAL: FIBER
end_item_identificationUSED ON C-4191 PART OF HARTZELL PROPELLER GOVERNOR
NSN5330-00-377-2498
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C4-191 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
•
SUPPLEMENTARY FEATURES: MATERIAL: FIBER
•
DIAMETER: 0.813 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESMATERIAL: FIBER
DIAMETER0.813 INCHES NOMINAL IN
THICKNESS0.062 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5164282Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C4-191?
C4-191 is a GEAR ASSEMBLY,SPEED DECREASER.
What parts can replace C4-191?
There is 1 known substitute for C4-191: 5164282. Substitute compatibility should be verified for your specific system.
What is the NSN for C4-191?
C4-191 is cataloged in the U.S. Government catalog under NSN 5330-00-377-2498. This indicates validated use in U.S. government and defense supply chains.
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