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PartsTable / COMPONENT / B220242
B220242 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, thread_class: 2B, thread_series: UNEF, overall_height: 0.219 INCHES NOMINAL IN, sealing_method: COMPRESSION, mounting_method: SCREW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-513-2712, 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
B220242
NSN: 5340-00-513-2712
FSC: 5340
CAGE: 82199 — ROHDE & SCHWARZ USA, INC. (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
thread_class2B
thread_seriesUNEF
overall_height0.219 INCHES NOMINAL IN
sealing_methodCOMPRESSION
mounting_methodSCREW
style_designatorTHRU-HOLE
nominal_thread_size0.375 INCHES IN
base_thread_locationINTERNAL
body_outside_diameter0.625 INCHES NOMINAL IN
opening_inside_diameter0.125 INCHES NOMINAL IN
mounting_device_quantity1
NSN5340-00-513-2712
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B220242 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
•
THREAD CLASS: 2B
•
MOUNTING METHOD: SCREW
•
MATERIAL: RUBBER SILICONE BODY
•
SEALING METHOD: COMPRESSION
•
BODY OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
BASE THREAD LOCATION: INTERNAL
•
STYLE DESIGNATOR: THRU-HOLE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
MOUNTING METHODSCREW
OVERALL HEIGHT0.219 INCHES NOMINAL IN
MATERIALRUBBER SILICONE BODY
SEALING METHODCOMPRESSION
BODY OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
BASE THREAD LOCATIONINTERNAL
STYLE DESIGNATORTHRU-HOLE
THREAD SERIESUNEF
MOUNTING DEVICE QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
50139-1Interchangeable
interchangeable cross-reference
interchangeable
70009PC14Interchangeable
interchangeable cross-reference
interchangeable
B107.1 CL1STAInterchangeable
interchangeable cross-reference
interchangeable
5568AInterchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
7443Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B220242?
B220242 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace B220242?
There are 17 known substitutes for B220242: 50139-1, 70009PC14, B107.1 CL1STA and 14 more. Substitute compatibility should be verified for your specific system.
Is B220242 still available?
B220242 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