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500278 — PULLEY DRIVE AU,ILI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

500278: PULLEY DRIVE AU,ILI.

The PULLEY DRIVE AU,ILI is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 FLOW CONTROL DEVICE, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: FLARE (TUBE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-478-8694, 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
500278
NSN: 5330-00-478-8694
NIINs: 004788694, 007412400, 008604282, 012120735
FSC: 5330 — Packing and Gasket Materials
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 304 FLOW CONTROL DEVICE
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_styleFLARE (TUBE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.438 INCHES ALL ENDS IN
NSN5330-00-478-8694
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500278 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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FUNCTIONAL DESCRIPTION: USED ON CONTINENTAL RECIPROCATINGENGINES AND COMPONENTS
TECHNICAL CHARACTERISTICS
FUNCTIONAL DESCRIPTIONUSED ON CONTINENTAL RECIPROCATINGENGINES AND COMPONENTS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 500278?
500278 is a PULLEY DRIVE AU,ILI.
What is the NSN for 500278?
500278 is cataloged in the U.S. Government catalog under NSN 5330-00-478-8694. This indicates validated use in U.S. government and defense supply chains.
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