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646140PC2 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

646140PC2: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 1.750 INCHES NOMINAL IN, flange_width: 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN, flange_length: 4.500 INCHES NOMINAL IN, inside_diameter: 0.437 INCHES NOMINAL IN, flange_thickness: 0.120 INCHES NOMINAL IN, style_designator: ROUND W/FLANGED BUSHING TWO-HOLE FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-606-4747, 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
646140PC2
NSN: 5340-00-606-4747
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
height1.750 INCHES NOMINAL IN
flange_width2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN
flange_length4.500 INCHES NOMINAL IN
inside_diameter0.437 INCHES NOMINAL IN
flange_thickness0.120 INCHES NOMINAL IN
style_designatorROUND W/FLANGED BUSHING TWO-HOLE FLANGE
distance_from_flange_to_end0.755 INCHES NOMINAL IN
flange_mounting_hole_diameter0.406 INCHES NOMINAL IN
distance_between_mounting_hole_centers3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM IN
NSN5340-00-606-4747
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 646140PC2 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
•
FLANGE MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/FLANGED BUSHING TWO-HOLE FLANGE
•
FLANGE LENGTH: 4.500 INCHES NOMINAL IN
•
DISTANCE FROM FLANGE TO END: 0.755 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
HEIGHT: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM IN
FLANGE THICKNESS0.120 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/FLANGED BUSHING TWO-HOLE FLANGE
FLANGE LENGTH4.500 INCHES NOMINAL IN
DISTANCE FROM FLANGE TO END0.755 INCHES NOMINAL IN
INSIDE DIAMETER0.437 INCHES NOMINAL IN
HEIGHT1.750 INCHES NOMINAL IN
FLANGE WIDTH2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
SP402PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 646140PC2?
646140PC2 is a MOUNT,RESILIENT,UTILITY.
What parts can replace 646140PC2?
There is 1 known substitute for 646140PC2: SP402PC2. Substitute compatibility should be verified for your specific system.
What is the NSN for 646140PC2?
646140PC2 is cataloged in the U.S. Government catalog under NSN 5340-00-606-4747. This indicates validated use in U.S. government and defense supply chains.
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