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J7781-107 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

J7781-107: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 1.188 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN, material: STEEL BASE PLATE, thread_size: 1/2-20 ALL THREADED PORTIONS, flange_width: 4.828 INCHES NOMINAL IN, flange_length: 4.828 INCHES NOMINAL IN, flange_thickness: 0.259 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-156-8941, 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
J7781-107
NSN: 5340-01-156-8941
FSC: 5340 — Hardware, Commercial
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)
SPECIFICATIONS
height1.188 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN
materialSTEEL BASE PLATE
thread_size1/2-20 ALL THREADED PORTIONS
flange_width4.828 INCHES NOMINAL IN
flange_length4.828 INCHES NOMINAL IN
flange_thickness0.259 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
flange_mounting_hole_diameter0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
flexing_member_outside_diameter4.062 INCHES NOMINAL IN
distance_between_mounting_hole_centers3.750 INCHES NOMINAL IN
shortest_distance_between_mounting_hole_centers3.750 INCHES NOMINAL IN
NSN5340-01-156-8941
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: J7781-107 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: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 3.750 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.259 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
•
FLANGE LENGTH: 4.828 INCHES NOMINAL IN
•
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS: 3.750 INCHES NOMINAL IN
•
HEIGHT: 1.188 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN
•
THREAD SIZE: 1/2-20 ALL THREADED PORTIONS
•
FLANGE WIDTH: 4.828 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS3.750 INCHES NOMINAL IN
FLANGE THICKNESS0.259 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
FLANGE LENGTH4.828 INCHES NOMINAL IN
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS3.750 INCHES NOMINAL IN
HEIGHT1.188 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN
THREAD SIZE1/2-20 ALL THREADED PORTIONS
FLANGE WIDTH4.828 INCHES NOMINAL IN
MATERIALSTEEL BASE PLATE
FLEXING MEMBER OUTSIDE DIAMETER4.062 INCHES NOMINAL 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
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is J7781-107?
J7781-107 is a MOUNT,RESILIENT,UTILITY.
What is the NSN for J7781-107?
J7781-107 is cataloged in the U.S. Government catalog under NSN 5340-01-156-8941. This indicates validated use in U.S. government and defense supply chains.
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