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Technical Data Sheet
PartsTable / MRO / L5501
L5501 ✓ 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 LIMITER-ATTENUATOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OVERALL, body_width: 1.290 INCHES NOMINAL IN, face_width: 0.500 INCHES NOMINAL IN, tooth_type: INTEGRAL, body_design: STRAIGHT HORIZONTAL PATTERN, body_height: 0.850 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 5820-00-135-6993, 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→ L5501
NSN: 5820-00-135-6993
FSC: 5820
CAGE: 21847 — FEI MICROWAVE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OVERALL
body_width1.290 INCHES NOMINAL IN
face_width0.500 INCHES NOMINAL IN
tooth_typeINTEGRAL
body_designSTRAIGHT HORIZONTAL PATTERN
body_height0.850 INCHES NOMINAL IN
body_length1.850 INCHES NOMINAL IN
design_typeCOMBINATION FLOAT/THERMOSTATIC
inclosure_typeFULLY INCLOSED
first_end_styleSQUARE
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter4.000 INCHES NOMINAL IN
NSN5820-00-135-6993
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LIMITER-ATTENUATOR TITLE COMPONENT PN L5501 MFR LIMITER-ATTENUATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
ETP508Interchangeable
interchangeable cross-reference
interchangeable
40215Interchangeable
interchangeable cross-reference
interchangeable
FT-3-15Interchangeable
interchangeable cross-reference
interchangeable
55-FT-3/4INInterchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 4Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L5501?
L5501 is a LIMITER-ATTENUATOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace L5501?
There are 11 known substitutes for L5501: ETP508, 40215, FT-3-15 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L5501?
L5501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5820-00-135-6993. 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