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Technical Data Sheet
PartsTable / COMPONENT / 9M55-1A
9M55-1A ✓ Verified by PartsTable
— · COMPONENT
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

NONMETALLIC SPECIAL SHAPED SECTI. Key specifications include length: 72.000 INCHES NOMINAL IN, material: RUBBER CHLOROPRENE CLASS CR, inside_radius: 0.297 INCHES NOMINAL IN, overall_width: 0.406 INCHES NOMINAL IN, first_diameter: 0.187 INCHES NOMINAL IN, outside_radius: 0.375 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 9390-00-591-4419, 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
9M55-1A
NSN: 9390-00-591-4419
FSC: 9390
CAGE: 6K404 — BASIC RUBBER AND PLASTICS CO. (USA)
SPECIFICATIONS
length72.000 INCHES NOMINAL IN
materialRUBBER CHLOROPRENE CLASS CR
inside_radius0.297 INCHES NOMINAL IN
overall_width0.406 INCHES NOMINAL IN
first_diameter0.187 INCHES NOMINAL IN
outside_radius0.375 INCHES NOMINAL IN
overall_height0.858 INCHES NOMINAL IN
environmental_protectionCORROSION RESISTANT AND FLUID RESISTANT AND OIL RESISTANT AND HEAT DRY AND WEATHER RESISTANT
cross-sectional_shape_styleMOLDING
nonmetallic_hardness_rating55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
specification/standard_data81343-AMS 3220 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
anchor_flange/button_center_to_center_distance1.469 INCHES NOMINAL IN
NSN9390-00-591-4419
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NONMETALLIC SPECIAL SHAPED SECTI TITLE COMPONENT PN 9M55-1A MFR NONMETALLIC SPECIAL SH
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81343-AMS 3220 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
ANCHOR FLANGE/BUTTON CENTER TO CENTER DISTANCE: 1.469 INCHES NOMINAL IN
•
INSIDE RADIUS: 0.297 INCHES NOMINAL IN
•
ENVIRONMENTAL PROTECTION: CORROSION RESISTANT AND FLUID RESISTANT AND OIL RESISTANT AND HEAT DRY AND WEATHER RESISTANT
•
NONMETALLIC HARDNESS RATING: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
•
CROSS-SECTIONAL SHAPE STYLE: MOLDING
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343-AMS 3220 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALRUBBER CHLOROPRENE CLASS CR
ANCHOR FLANGE/BUTTON CENTER TO CENTER DISTANCE1.469 INCHES NOMINAL IN
INSIDE RADIUS0.297 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTIONCORROSION RESISTANT AND FLUID RESISTANT AND OIL RESISTANT AND HEAT DRY AND WEATHER RESISTANT
NONMETALLIC HARDNESS RATING55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
OVERALL WIDTH0.406 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMOLDING
LENGTH72.000 INCHES NOMINAL IN
OVERALL HEIGHT0.858 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
AMS3220Interchangeable
interchangeable cross-reference
interchangeable
26566GRADE2Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-6855Interchangeable
interchangeable cross-reference
interchangeable
292570Interchangeable
interchangeable cross-reference
interchangeable
5731174Interchangeable
interchangeable cross-reference
interchangeable
MIL-STD-129Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9M55-1A?
9M55-1A is a NONMETALLIC SPECIAL SHAPED SECTI.
What parts can replace 9M55-1A?
There are 6 known substitutes for 9M55-1A: AMS3220, 26566GRADE2, MIL-R-6855 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9M55-1A?
9M55-1A is cataloged in the Federal Logistics Information System (FLIS) under NSN 9390-00-591-4419. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026