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9546K78 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9546K78: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 1.250 INCHES NOMINAL IN, special_features: NEOPRENE RUBBER BUMPER IS GASOLINE AND OIL RESISTANT;TEMPERATURE RANGE IS -40 DEGREE TO +200 DEGREE FAHRENHEIT, style_designator: FLAT TOP, fastening_device_size: 3/8 INCH -16 THREADED STUD IN, fastening_device_type: EXTERNALLY RELIEVED BODY SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-596-4879, 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
9546K78
NSN: 5340-01-596-4879
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER
overall_height1.250 INCHES NOMINAL IN
special_featuresNEOPRENE RUBBER BUMPER IS GASOLINE AND OIL RESISTANT;TEMPERATURE RANGE IS -40 DEGREE TO +200 DEGREE FAHRENHEIT
style_designatorFLAT TOP
fastening_device_size3/8 INCH -16 THREADED STUD IN
fastening_device_typeEXTERNALLY RELIEVED BODY SCREW
end_item_identification2355-01-539-3589;LIGHT ARMORED VEHICLE
outside/top_flange_diameter1.250 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBUMPER,NEOPRENE
NSN5340-01-596-4879
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9546K78 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
•
OUTSIDE/TOP FLANGE DIAMETER: 1.250 INCHES NOMINAL IN
•
FASTENING DEVICE TYPE: EXTERNALLY RELIEVED BODY SCREW
•
STYLE DESIGNATOR: FLAT TOP
•
COLOR: BLACK
•
FASTENING DEVICE SIZE: 3/8 INCH -16 THREADED STUD IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.250 INCHES NOMINAL IN
FASTENING DEVICE TYPEEXTERNALLY RELIEVED BODY SCREW
STYLE DESIGNATORFLAT TOP
COLORBLACK
SPECIAL FEATURESNEOPRENE RUBBER BUMPER IS GASOLINE AND OIL RESISTANT;TEMPERATURE RANGE IS -40 DEGREE TO +200 DEGREE FAHRENHEIT
PART NAME ASSIGNED BY CONTROLLING AGENCYBUMPER,NEOPRENE
FASTENING DEVICE SIZE3/8 INCH -16 THREADED STUD IN
END ITEM IDENTIFICATION2355-01-539-3589;LIGHT ARMORED VEHICLE
MATERIALRUBBER
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 9546K78?
9546K78 is a BUMPER.
What is the NSN for 9546K78?
9546K78 is cataloged in the U.S. Government catalog under NSN 5340-01-596-4879. This indicates validated use in U.S. government and defense supply chains.
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