PartsTable
Technical Data Sheet
PartsTable / MRO / 6B251
6B251 ✓ 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_width: 2.500 INCHES NOMINAL IN, body_height: 1.750 INCHES NOMINAL IN, body_length: 2.750 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_length: 4.572 INCHES MAXIMUM 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 5915-01-027-8158, 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→ 6B251
NSN: 5915-01-027-8158
FSC: 5915
CAGE: 13058 — SORA POWER INC. DBA SORA POWER INC (USA)
SPECIFICATIONS
body_width2.500 INCHES NOMINAL IN
body_height1.750 INCHES NOMINAL IN
body_length2.750 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_length4.572 INCHES MAXIMUM IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
maximum_temp_rise25.0 CELSIUS DEGC
nominal_thread_size0.138 INCHES IN
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
body_surface_treatmentTIN
unpackaged_unit_weight1.500 POUNDS NOMINAL LBS
NSN5915-01-027-8158
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 6B251 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.187 INCHES NOMINAL IN
•
UNPACKAGED UNIT WEIGHT: 1.500 POUNDS NOMINAL LBS
•
LOAD IMPEDANCE PER FUNCTION: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
STYLE DESIGNATOR: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
•
SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
BODY SURFACE TREATMENT: TIN
•
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION: 250.0 VOLTS AC BLANK AND 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
UNTHREADED MOUNTING HOLE DIAMETER0.187 INCHES NOMINAL IN
UNPACKAGED UNIT WEIGHT1.500 POUNDS NOMINAL LBS
OVERALL LENGTH4.572 INCHES MAXIMUM IN
LOAD IMPEDANCE PER FUNCTION50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
SOURCE IMPEDANCE RATING PER FUNCTION50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY SURFACE TREATMENTTIN
OPERATING VOLTAGE RATING AND TYPE PER FUNCTION250.0 VOLTS AC BLANK AND 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
MAXIMUM VOLTAGE DROP PER FUNCTION500.0 MILLIVOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 THREADED STUD INPUT FIRST FUNCTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
M1438Interchangeable
interchangeable cross-reference
interchangeable
R272-54BInterchangeable
interchangeable cross-reference
interchangeable
700573Interchangeable
interchangeable cross-reference
interchangeable
664-368Interchangeable
interchangeable cross-reference
interchangeable
48SIZE3-8 50PSIInterchangeable
interchangeable cross-reference
interchangeable
70607Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 6B251?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6B251?
6B251 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 6B251?
There are 14 known substitutes for 6B251: M1438, R272-54B, 700573 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6B251?
6B251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-027-8158. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6B251

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026