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1JB9761 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1JB9761: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 1.000 INCHES NOMINAL IN, material: STEEL OVERALL, flange_width: 2.250 INCHES NOMINAL IN, flange_length: 2.250 INCHES NOMINAL IN, inside_diameter: 0.391 INCHES NOMINAL IN, flange_thickness: 0.058 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-597-6424, 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
1JB9761
NSN: 5340-00-597-6424
FSC: 5340 — Hardware, Commercial
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
height1.000 INCHES NOMINAL IN
materialSTEEL OVERALL
flange_width2.250 INCHES NOMINAL IN
flange_length2.250 INCHES NOMINAL IN
inside_diameter0.391 INCHES NOMINAL IN
flange_thickness0.058 INCHES NOMINAL IN
style_designatorROUND W/BUSHING FOUR-HOLE FLANGE
surface_treatmentPAINT OVERALL
distance_from_flange_to_end0.529 INCHES NOMINAL IN
flange_mounting_hole_diameter0.196 INCHES NOMINAL IN
distance_between_mounting_hole_centers1.750 INCHES NOMINAL IN
shortest_distance_between_mounting_hole_centers1.750 INCHES NOMINAL IN
NSN5340-00-597-6424
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1JB9761 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: 0.196 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.750 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.058 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/BUSHING FOUR-HOLE FLANGE
•
FLANGE LENGTH: 2.250 INCHES NOMINAL IN
•
DISTANCE FROM FLANGE TO END: 0.529 INCHES NOMINAL IN
•
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.750 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.391 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.196 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.750 INCHES NOMINAL IN
FLANGE THICKNESS0.058 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/BUSHING FOUR-HOLE FLANGE
FLANGE LENGTH2.250 INCHES NOMINAL IN
DISTANCE FROM FLANGE TO END0.529 INCHES NOMINAL IN
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS1.750 INCHES NOMINAL IN
INSIDE DIAMETER0.391 INCHES NOMINAL IN
HEIGHT1.000 INCHES NOMINAL IN
SURFACE TREATMENTPAINT OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
200P45Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SB26-421G3Reference document
Same NSN cross-reference
Reference document — Secondary reference
102510Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5B26-421G3Reference document
Same NSN cross-reference
Reference document — Secondary reference
1JB9761-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1JB9761?
1JB9761 is a MOUNT,RESILIENT,UTILITY.
What parts can replace 1JB9761?
There are 5 known substitutes for 1JB9761: 200P45, SB26-421G3, 102510 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1JB9761?
1JB9761 is cataloged in the U.S. Government catalog under NSN 5340-00-597-6424. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.