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Technical Data Sheet
2651-4 ✓ Verified by PartsTable
· COMPONENT
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 TELEPHONE TERMINAL SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, flexibility: FLEXIBLE SINGLE TUBING SEGMENT, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, end_diameter: 0.4370 INCHES NOMINAL IN, flange_depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-179-1098, 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
2651-4
NSN: 5985-00-179-1098
FSC: 5985
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
flexibilityFLEXIBLE SINGLE TUBING SEGMENT
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_diameter0.4370 INCHES NOMINAL IN
flange_depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
flange_styleCOVER TYPE ALL FLANGES
bore_diameter0.2830 INCHES NOMINAL IN
overall_height0.5000 INCHES NOMINAL IN
vacuum_in_torr50.8
flange_quantity2
inside_diameter0.188 INCHES NOMINAL IN
NSN5985-00-179-1098
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TELEPHONE TERMINAL SUBASSEMBLY TITLE COMPONENT PN 2651-4 MFR TELEPHONE TERMINAL SUB
KEY FEATURES
VOLTAGE STANDING WAVE RATIO: 1.10
FLANGE INSIDE HEIGHT: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN
FLANGE OUTSIDE WIDTH: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
TUBING WALL CONSTRUCTION STYLE: CONVOLUTE SINGLE TUBING SEGMENT
INSERTION LOSS IN DECIBELS: 0.05
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES AND RELATED EQUIPMENT
CROSS-SECTIONAL SHAPE STYLE: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FLANGE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE STANDING WAVE RATIO1.10
FLANGE INSIDE HEIGHT0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN
FLANGE OUTSIDE WIDTH1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
TUBING WALL CONSTRUCTION STYLECONVOLUTE SINGLE TUBING SEGMENT
INSERTION LOSS IN DECIBELS0.05
FSC APPLICATION DATAANTENNAS,WAVEGUIDES AND RELATED EQUIPMENT
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FLANGE QUANTITY2
WAVEGUIDE OUTSIDE WIDTH0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
FLANGE DEPTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
CG179AUInterchangeable
interchangeable cross-reference
interchangeable
JANW287Interchangeable
interchangeable cross-reference
interchangeable
M24135/10-04Interchangeable
interchangeable cross-reference
interchangeable
AE369-4Interchangeable
interchangeable cross-reference
interchangeable
CG-179/AUInterchangeable
interchangeable cross-reference
interchangeable
B-40173Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2651-4?
2651-4 is a TELEPHONE TERMINAL SUBASSEMBLY.
What parts can replace 2651-4?
There are 20 known substitutes for 2651-4: CG179AU, JANW287, M24135/10-04 and 17 more. Substitute compatibility should be verified for your specific system.
Is 2651-4 still available?
2651-4 is currently cancelled.
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