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Technical Data Sheet
PartsTable / MRO / 4254991
4254991 ✓ 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 body_length: 0.400 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_length: 0.911 INCHES NOMINAL IN, style_designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES, nominal_thread_size: 0.250 INCHES 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 5342-00-126-5288, 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→ 4254991
NSN: 5342-00-126-5288
FSC: 5342 — MOUNT,RESILIENT,WEAPON SYSTEM
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
body_length0.400 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_length0.911 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size0.250 INCHES IN
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
body_outside_diameter0.410 INCHES MAXIMUM IN
body_surface_treatmentTIN
load_impedance_per_function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
average_life_rating_in_hours1000.0
mounting_facility_type_and_quantity1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
NSN5342-00-126-5288
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 4254991 MFR FILTER,RADIO FREQUENCY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
Y6502Interchangeable
interchangeable cross-reference
interchangeable
6428Interchangeable
interchangeable cross-reference
interchangeable
4H-30Interchangeable
interchangeable cross-reference
interchangeable
425499-1Interchangeable
interchangeable cross-reference
interchangeable
5915PL1422301Interchangeable
interchangeable cross-reference
interchangeable
9923-100-6002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4254991?
4254991 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4254991?
There are 6 known substitutes for 4254991: Y6502, 6428, 4H-30 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4254991?
4254991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5342-00-126-5288. 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