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Technical Data Sheet
PartsTable / MRO / 91878
91878 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 0.188 INCHES NOMINAL IN, inclosure_type: ENCASED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-211-1253, 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→ 91878
NSN: 5915-00-211-1253
FSC: 5915
CAGE: 02574 — REGULATORS PRODUCTS GROUP OF WARD LEONARD ELECTRIC CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length0.188 INCHES NOMINAL IN
flute_quantity2
inclosure_typeENCASED
overall_height0.305 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
shank_diameter0.016 INCHES NOMINAL IN
inside_diameter0.172 INCHES NOMINAL IN
outside_diameter0.210 INCHES NOMINAL IN
NSN5915-00-211-1253
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 91878 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
INCLOSURE TYPE: ENCASED
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE TYPEENCASED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2001 78Interchangeable
interchangeable cross-reference
interchangeable
503-S 78Interchangeable
interchangeable cross-reference
interchangeable
13378Interchangeable
interchangeable cross-reference
interchangeable
91878Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91878?
91878 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 91878?
There are 4 known substitutes for 91878: 2001 78, 503-S 78, 13378 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91878?
91878 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-211-1253. 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