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1659979 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1659979: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 2.788 INCHES MINIMUM AND 2.828 INCHES MAXIMUM IN, flange_width: 6.344 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN, flange_length: 5.844 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN, inside_diameter: 0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN, flange_thickness: 0.312 INCHES NOMINAL IN, style_designator: ROUND W/FLANGED BUSHING TWO-HOLE FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-327-7233, 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
1659979
NSN: 5340-01-327-7233
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
height2.788 INCHES MINIMUM AND 2.828 INCHES MAXIMUM IN
flange_width6.344 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN
flange_length5.844 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
inside_diameter0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN
flange_thickness0.312 INCHES NOMINAL IN
style_designatorROUND W/FLANGED BUSHING TWO-HOLE FLANGE
distance_from_flange_to_end0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
flange_mounting_hole_diameter0.516 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
distance_between_mounting_hole_centers4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
NSN5340-01-327-7233
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1659979 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: 0.516 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/FLANGED BUSHING TWO-HOLE FLANGE
•
FLANGE LENGTH: 5.844 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
•
DISTANCE FROM FLANGE TO END: 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN
•
HEIGHT: 2.788 INCHES MINIMUM AND 2.828 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.516 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS4.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
FLANGE THICKNESS0.312 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/FLANGED BUSHING TWO-HOLE FLANGE
FLANGE LENGTH5.844 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
DISTANCE FROM FLANGE TO END0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
INSIDE DIAMETER0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN
HEIGHT2.788 INCHES MINIMUM AND 2.828 INCHES MAXIMUM IN
FLANGE WIDTH6.344 INCHES MINIMUM AND 6.437 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1659979?
1659979 is a MOUNT,RESILIENT,UTILITY.
What is the NSN for 1659979?
1659979 is cataloged in the U.S. Government catalog under NSN 5340-01-327-7233. This indicates validated use in U.S. government and defense supply chains.
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