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Technical Data Sheet
PartsTable / MRO / 104-311
104-311 ✓ 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: PAPER OVERALL, thickness: 0.031 INCHES NOMINAL IN, valve_size: 0.250 INCHES IN, dome_height: 0.791 INCHES NOMINAL IN, thread_class: 2B, hole_diameter: 0.120 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1220-00-012-5203, 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→ 104-311
NSN: 1220-00-012-5203
FSC: 1220
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialPAPER OVERALL
thickness0.031 INCHES NOMINAL IN
valve_size0.250 INCHES IN
dome_height0.791 INCHES NOMINAL IN
thread_class2B
hole_diameter0.120 INCHES NOMINAL IN
thread_length0.176 INCHES NOMINAL IN
thread_seriesUNS
overall_height0.844 INCHES NOMINAL IN
sealing_methodCOMPRESSION
mounting_methodINTEGRAL THREADED NUT
overall_diameter0.250 INCHES NOMINAL IN
NSN1220-00-012-5203
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BOOT,DUST AND MOISTURE SEAL TITLE COMPONENT PN 104-311 MFR BOOT,DUST AND MOISTURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
302-5486642 PC1Interchangeable
interchangeable cross-reference
interchangeable
G221437-2Interchangeable
interchangeable cross-reference
interchangeable
PC19-01Interchangeable
interchangeable cross-reference
interchangeable
104311ADXInterchangeable
interchangeable cross-reference
interchangeable
104311Interchangeable
interchangeable cross-reference
interchangeable
207449Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 104-311?
104-311 is a BOOT,DUST AND MOISTURE SEAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 104-311?
There are 10 known substitutes for 104-311: 302-5486642 PC1, G221437-2, PC19-01 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 104-311?
104-311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1220-00-012-5203. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026