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Technical Data Sheet
PartsTable / COMPONENT / MB-55
MB-55 ✓ 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

The FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include color: WHITE BOTH SIDES, width: 60.000 INCHES MINIMUM IN, thickness: 0.056 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, weave_type: NONWOVEN, cloth_weight: 1.450 POUNDS PER SQUARE YARD MINIMUM AND 1.610 POUNDS PER SQUARE YARD MAXIMUM LBS, fiber_material: WOOL BASIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 8305-00-261-8496, 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
MB-55
NSN: 8305-00-261-8496
FSC: 8305
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
colorWHITE BOTH SIDES
width60.000 INCHES MINIMUM IN
thickness0.056 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
weave_typeNONWOVEN
cloth_weight1.450 POUNDS PER SQUARE YARD MINIMUM AND 1.610 POUNDS PER SQUARE YARD MAXIMUM LBS
fiber_materialWOOL BASIC
special_featuresTHICKNESS: 0.063 INCHES NOMINAL; PLUS OR MINUS 0.007 INCHES TOLERANCE; IN
procurement_group_code11279
environmental_protectionMILDEW RESISTANT
nondefinitive_spec/std_data1 TYPE AND 12R1 CLASS
fiber_material_document_and_classificationASTM D2475-01 TYPE 1,C-F-206 CLASS 12R1 ASSN STD 1ST MATERIAL RESPONSE AND ASTM CLASS 26R1, S.A.E. CLASS F-5, EXTRA FIRM PAD ASSN STD 2ND MATERIAL RESPONSE BASIC
NSN8305-00-261-8496
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FELT,MECHANICAL,PREFORMED TITLE COMPONENT PN MB-55 MFR FELT,MECHANICAL,PREFOR
KEY FEATURES
•
WEAVE TYPE: NONWOVEN
•
CLOTH WEIGHT: 1.450 POUNDS PER SQUARE YARD MINIMUM AND 1.610 POUNDS PER SQUARE YARD MAXIMUM LBS
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 12R1 CLASS
•
FIBER MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2475-01 TYPE 1,C-F-206 CLASS 12R1 ASSN STD 1ST MATERIAL RESPONSE AND ASTM CLASS 26R1, S.A.E. CLASS F-5, EXTRA FIRM PAD ASSN STD 2ND MATERIAL RESPONSE BASIC
•
FIBER MATERIAL: WOOL BASIC
•
COLOR: WHITE BOTH SIDES
•
PROCUREMENT GROUP CODE: 11279
TECHNICAL CHARACTERISTICS (FLIS)
WEAVE TYPENONWOVEN
SPECIAL FEATURESTHICKNESS: 0.063 INCHES NOMINAL; PLUS OR MINUS 0.007 INCHES TOLERANCE; IN
CLOTH WEIGHT1.450 POUNDS PER SQUARE YARD MINIMUM AND 1.610 POUNDS PER SQUARE YARD MAXIMUM LBS
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 12R1 CLASS
FIBER MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2475-01 TYPE 1,C-F-206 CLASS 12R1 ASSN STD 1ST MATERIAL RESPONSE AND ASTM CLASS 26R1, S.A.E. CLASS F-5, EXTRA FIRM PAD ASSN STD 2ND MATERIAL RESPONSE BASIC
FIBER MATERIALWOOL BASIC
COLORWHITE BOTH SIDES
PROCUREMENT GROUP CODE11279
THICKNESS0.056 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
WIDTH60.000 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
218-5004Interchangeable
interchangeable cross-reference
interchangeable
129270Interchangeable
interchangeable cross-reference
interchangeable
C-F-206 TY1Interchangeable
interchangeable cross-reference
interchangeable
8305PL1356289Interchangeable
interchangeable cross-reference
interchangeable
ASTM D2475-01Interchangeable
interchangeable cross-reference
interchangeable
C-F-206Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB-55?
MB-55 is a FELT,MECHANICAL,PREFORMED.
What parts can replace MB-55?
There are 8 known substitutes for MB-55: 218-5004, 129270, C-F-206 TY1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB-55?
MB-55 is cataloged in the Federal Logistics Information System (FLIS) under NSN 8305-00-261-8496. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026