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9378K31 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9378K31: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include material: STEEL STUD, stud_length: 0.500 INCHES NOMINAL FIRST THREADED STUD IN, thread_size: UNC 0.250-20 ALL THREADED PORTIONS, special_features: HARDNESS RATING DUROMETER OF 50A AND TEMPERATURE RANGE -10 DEGREES TO 150 DEGREES F A, major_outside_diameter: 0.625 INCHES NOMINAL IN, end_item_identification: 4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-593-0944, 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
9378K31
NSN: 5340-01-593-0944
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL STUD
stud_length0.500 INCHES NOMINAL FIRST THREADED STUD IN
thread_sizeUNC 0.250-20 ALL THREADED PORTIONS
special_featuresHARDNESS RATING DUROMETER OF 50A AND TEMPERATURE RANGE -10 DEGREES TO 150 DEGREES F A
major_outside_diameter0.625 INCHES NOMINAL IN
end_item_identification4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER
distance_from_flange_to_end0.625 INCHES NOMINAL IN
NSN5340-01-593-0944
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9378K31 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
•
DISTANCE FROM FLANGE TO END: 0.625 INCHES NOMINAL IN
•
STUD LENGTH: 0.500 INCHES NOMINAL FIRST THREADED STUD IN
•
THREAD SIZE: UNC 0.250-20 ALL THREADED PORTIONS
•
COLOR: BLACK OVERALL
•
MATERIAL: RUBBER NATURAL OVERALL
TECHNICAL CHARACTERISTICS
DISTANCE FROM FLANGE TO END0.625 INCHES NOMINAL IN
STUD LENGTH0.500 INCHES NOMINAL FIRST THREADED STUD IN
THREAD SIZEUNC 0.250-20 ALL THREADED PORTIONS
COLORBLACK OVERALL
SPECIAL FEATURESHARDNESS RATING DUROMETER OF 50A AND TEMPERATURE RANGE -10 DEGREES TO 150 DEGREES F A
END ITEM IDENTIFICATION4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER
MATERIALRUBBER NATURAL OVERALL
MATERIALSTEEL STUD
MAJOR OUTSIDE DIAMETER0.625 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9378K31?
9378K31 is a MOUNT,RESILIENT,UTILITY.
What is the NSN for 9378K31?
9378K31 is cataloged in the U.S. Government catalog under NSN 5340-01-593-0944. This indicates validated use in U.S. government and defense supply chains.
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