PartsTable
Technical Data Sheet
PartsTable / MRO / 266-3187-000
266-3187-000 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, base_height: 0.072 INCHES NOMINAL IN, body_height: 0.327 INCHES NOMINAL IN, thread_class: 2B, thread_length: 0.072 INCHES NOMINAL IN, thread_series: UNEF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-950-4541, 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
MRO→ MRO_GENERAL→ 266-3187-000
NSN: 5930-00-950-4541
FSC: 5930
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
base_height0.072 INCHES NOMINAL IN
body_height0.327 INCHES NOMINAL IN
thread_class2B
thread_length0.072 INCHES NOMINAL IN
thread_seriesUNEF
overall_height0.312 INCHES NOMINAL IN
sealing_methodCOMPRESSION
mounting_methodINTEGRAL THREADED NUT
style_designatorCLOSED END
width_across_flats0.370 INCHES NOMINAL IN
nominal_thread_size0.350 INCHES IN
NSN5930-00-950-4541
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BOOT,DUST AND MOISTURE SEAL TITLE COMPONENT PN 266-3187-000 MFR BOOT,DUST AND MOISTURE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 0.281 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.370 INCHES NOMINAL IN
•
BASE THREAD LOCATION: INTERNAL
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNEF
•
NOMINAL THREAD SIZE: 0.350 INCHES IN
•
MOUNTING METHOD: INTEGRAL THREADED NUT
•
MATERIAL: RUBBER SILICONE BODY
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.281 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.370 INCHES NOMINAL IN
BASE THREAD LOCATIONINTERNAL
THREAD QUANTITY PER INCH32
THREAD SERIESUNEF
NOMINAL THREAD SIZE0.350 INCHES IN
MOUNTING METHODINTEGRAL THREADED NUT
MATERIALRUBBER SILICONE BODY
SEALING METHODCOMPRESSION
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
550230Interchangeable
interchangeable cross-reference
interchangeable
70042887Interchangeable
interchangeable cross-reference
interchangeable
540848Interchangeable
interchangeable cross-reference
interchangeable
5905001048330Interchangeable
interchangeable cross-reference
interchangeable
TR50J-E33KInterchangeable
interchangeable cross-reference
interchangeable
64A7A68-3331Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 266-3187-000?
266-3187-000 is a BOOT,DUST AND MOISTURE SEAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 266-3187-000?
There are 31 known substitutes for 266-3187-000: 550230, 70042887, 540848 and 28 more. Substitute compatibility should be verified for your specific system.
Is 266-3187-000 still available?
266-3187-000 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