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Technical Data Sheet
B4657-1 ✓ 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 FILTER,BAND PASS is a the manufacturer industrial component. Key specifications include width: 7.750 INCHES NOMINAL IN, length: 9.000 INCHES NOMINAL IN, material: LEATHER, mounting_configuration: W/2 LEATHER STRAP LOOPS FOR ATTACHMENT TO BELT, compartment_arrangement: ARRANGED HORIZONALLY, reference_frequency_per_function: 13.3 GIGAHERTZ SINGLE BAND PASS ALL FUNCTIONS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5140-00-303-1155, 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 B4657-1
NSN: 5140-00-303-1155
FSC: 5140
CAGE: 81336 — CHIEF OF ENGINEERS DEPT OF ARMY (USA)
SPECIFICATIONS
width7.750 INCHES NOMINAL IN
length9.000 INCHES NOMINAL IN
materialLEATHER
compartment_quantity2
mounting_configurationW/2 LEATHER STRAP LOOPS FOR ATTACHMENT TO BELT
compartment_arrangementARRANGED HORIZONALLY
reference_frequency_per_function13.3 GIGAHERTZ SINGLE BAND PASS ALL FUNCTIONS
voltage_standing_wave_ratio_per_function1.5 SINGLE BAND PASS ALL FUNCTIONS
insertion_loss_at_reference_frequency_per_function_in_decibels1.0 SINGLE BAND PASS ALL FUNCTIONS
discrimination_at_specified_frequencies_per_function_in_decibels35.0 MAXIMUM SINGLE BAND PASS ALL FUNCTIONS
NSN5140-00-303-1155
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,BAND PASS TITLE COMPONENT PN B4657-1 MFR FILTER,BAND PASS
KEY FEATURES
MATERIAL: LEATHER
COMPARTMENT ARRANGEMENT: ARRANGED HORIZONALLY
COMPARTMENT QUANTITY: 2
WIDTH: 7.750 INCHES NOMINAL IN
MOUNTING CONFIGURATION: W/2 LEATHER STRAP LOOPS FOR ATTACHMENT TO BELT
LENGTH: 9.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALLEATHER
COMPARTMENT ARRANGEMENTARRANGED HORIZONALLY
COMPARTMENT QUANTITY2
WIDTH7.750 INCHES NOMINAL IN
MOUNTING CONFIGURATIONW/2 LEATHER STRAP LOOPS FOR ATTACHMENT TO BELT
LENGTH9.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
GGG-C-1520Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-1520 TY2ST1Interchangeable
interchangeable cross-reference
interchangeable
11655787Interchangeable
interchangeable cross-reference
interchangeable
4664Interchangeable
interchangeable cross-reference
interchangeable
2-3-314Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-1520 TY1ST2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B4657-1?
B4657-1 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What parts can replace B4657-1?
There are 15 known substitutes for B4657-1: GGG-C-1520, GGG-C-1520 TY2ST1, 11655787 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B4657-1?
B4657-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5140-00-303-1155. This indicates validated use in U.S. government and defense supply chains.
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