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4403K39 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4403K39: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include material: STEEL STUD, load_rating: 90.0 POUNDS MAXIMUM LBS, stud_length: 0.50 INCHES NOMINAL ALL THREADED STUD IN, thread_size: 2A ALL THREADED PORTIONS A, style_designator: ROUND W/FLANGE THREADED STUD, major_outside_diameter: 1.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-629-6887, 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
4403K39
NSN: 5340-01-629-6887
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL STUD
load_rating90.0 POUNDS MAXIMUM LBS
stud_length0.50 INCHES NOMINAL ALL THREADED STUD IN
thread_size2A ALL THREADED PORTIONS A
style_designatorROUND W/FLANGE THREADED STUD
major_outside_diameter1.0 INCHES NOMINAL IN
end_item_identificationMRAP BUFFALO MK2A2
distance_from_flange_to_end0.75 INCHES NOMINAL IN
deflection_at_static_load_rating0.08 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyEXTREME TEMPERATURE VIBRATION DAMPING SANDWICH MOUNT
NSN5340-01-629-6887
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4403K39 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
•
LOAD RATING: 90.0 POUNDS MAXIMUM LBS
•
STYLE DESIGNATOR: ROUND W/FLANGE THREADED STUD
•
DEFLECTION AT STATIC LOAD RATING: 0.08 INCHES NOMINAL IN
•
DISTANCE FROM FLANGE TO END: 0.75 INCHES NOMINAL IN
•
STUD LENGTH: 0.50 INCHES NOMINAL ALL THREADED STUD IN
•
THREAD SIZE: 2A ALL THREADED PORTIONS A
•
COLOR: BLACK OVERALL
TECHNICAL CHARACTERISTICS
LOAD RATING90.0 POUNDS MAXIMUM LBS
STYLE DESIGNATORROUND W/FLANGE THREADED STUD
DEFLECTION AT STATIC LOAD RATING0.08 INCHES NOMINAL IN
DISTANCE FROM FLANGE TO END0.75 INCHES NOMINAL IN
STUD LENGTH0.50 INCHES NOMINAL ALL THREADED STUD IN
THREAD SIZE2A ALL THREADED PORTIONS A
COLORBLACK OVERALL
SPECIAL FEATURESSTYLE 1 MALE THREADED STUD ON EACH END; DUROMETER 70A; SHEAR CAPACITY PER MOUNT 30LBS; DEFLECTION AT MAXIMUM CAPACITY 0.12 INCHES; TEMPERATURE RANGE IS -80 DEG. TO 300 DEG. F; MOUNTS ARE MADE OF SILICONE A
PART NAME ASSIGNED BY CONTROLLING AGENCYEXTREME TEMPERATURE VIBRATION DAMPING SANDWICH MOUNT
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4403K39?
4403K39 is a MOUNT,RESILIENT,UTILITY.
What is the NSN for 4403K39?
4403K39 is cataloged in the U.S. Government catalog under NSN 5340-01-629-6887. This indicates validated use in U.S. government and defense supply chains.
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