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Technical Data Sheet
PartsTable / COMPONENT / SMB334842
SMB334842 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BUMPER is a the manufacturer industrial component. Key specifications include color: BLACK, material: RUBBER SYNTHETIC, shank_length: 0.218 INCHES NOMINAL IN, overall_height: 0.562 INCHES NOMINAL IN, style_designator: ROUND TOP COTTER PIN STUD, fastening_device_size: NO. 8-32 MACHINE SCREW.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-285-7141, 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
SMB334842
NSN: 5340-00-285-7141
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
colorBLACK
materialRUBBER SYNTHETIC
shank_length0.218 INCHES NOMINAL IN
overall_height0.562 INCHES NOMINAL IN
style_designatorROUND TOP COTTER PIN STUD
fastening_device_sizeNO. 8-32 MACHINE SCREW
fastening_device_typeMACHINE SCREW
outside/top_flange_diameter0.750 INCHES NOMINAL IN
NSN5340-00-285-7141
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SMB334842 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
•
FASTENING DEVICE SIZE: NO. 8-32 MACHINE SCREW
•
OUTSIDE/TOP FLANGE DIAMETER: 0.750 INCHES NOMINAL IN
•
SHANK LENGTH: 0.218 INCHES NOMINAL IN
•
COLOR: BLACK
•
MATERIAL: RUBBER SYNTHETIC
•
FASTENING DEVICE TYPE: MACHINE SCREW
•
STYLE DESIGNATOR: ROUND TOP COTTER PIN STUD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.562 INCHES NOMINAL IN
FASTENING DEVICE SIZENO. 8-32 MACHINE SCREW
OUTSIDE/TOP FLANGE DIAMETER0.750 INCHES NOMINAL IN
SHANK LENGTH0.218 INCHES NOMINAL IN
COLORBLACK
MATERIALRUBBER SYNTHETIC
FASTENING DEVICE TYPEMACHINE SCREW
STYLE DESIGNATORROUND TOP COTTER PIN STUD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
BN5049Interchangeable
interchangeable cross-reference
interchangeable
5049Interchangeable
interchangeable cross-reference
interchangeable
FS916FEDInterchangeable
interchangeable cross-reference
interchangeable
52-65Interchangeable
interchangeable cross-reference
interchangeable
EEA2Interchangeable
interchangeable cross-reference
interchangeable
274JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB334842?
SMB334842 is a BUMPER.
What parts can replace SMB334842?
There are 19 known substitutes for SMB334842: BN5049, 5049, FS916FED and 16 more. Substitute compatibility should be verified for your specific system.
Is SMB334842 still available?
SMB334842 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026