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MB50B — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MB50B: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL, shank_length: 0.250 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, style_designator: ROUND TOP COTTER PIN STUD, fastening_device_size: NO. 6-32 MACHINE SCREW, fastening_device_type: MACHINE SCREW.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-209-9347, 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
MB50B
NSN: 5340-00-209-9347
FSC: 5340 — Hardware, Commercial
CAGE: 76348 — MILLER PRODUCTS CO INC (USA)
SPECIFICATIONS
materialRUBBER NATURAL
shank_length0.250 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
style_designatorROUND TOP COTTER PIN STUD
fastening_device_sizeNO. 6-32 MACHINE SCREW
fastening_device_typeMACHINE SCREW
material_hardness_rating65.0 DUROMETER NOMINAL
outside/top_flange_diameter0.500 INCHES NOMINAL IN
NSN5340-00-209-9347
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MB50B 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: 0.500 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 65.0 DUROMETER NOMINAL
•
FASTENING DEVICE TYPE: MACHINE SCREW
•
SHANK LENGTH: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND TOP COTTER PIN STUD
•
COLOR: BLACK
•
FASTENING DEVICE SIZE: NO. 6-32 MACHINE SCREW
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.500 INCHES NOMINAL IN
MATERIAL HARDNESS RATING65.0 DUROMETER NOMINAL
FASTENING DEVICE TYPEMACHINE SCREW
SHANK LENGTH0.250 INCHES NOMINAL IN
STYLE DESIGNATORROUND TOP COTTER PIN STUD
COLORBLACK
FASTENING DEVICE SIZENO. 6-32 MACHINE SCREW
MATERIALRUBBER NATURAL
SUBSTITUTES & CROSS-REFERENCES 2
00237Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MB50Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MB50B?
MB50B is a BUMPER.
What parts can replace MB50B?
There are 2 known substitutes for MB50B: 00237, MB50. Substitute compatibility should be verified for your specific system.
What is the NSN for MB50B?
MB50B is cataloged in the U.S. Government catalog under NSN 5340-00-209-9347. This indicates validated use in U.S. government and defense supply chains.
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