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Technical Data Sheet
F166-940ITEM379 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

CAGE ASSEMBLY,ROLLER TUBE EXPAND. Key specifications include cage_adjustability: NONADJUSTABLE, entering_handhole_size: 3.375 BY 3.750 IN. IN, roll_type_and_quantity: 1 FLARING OR 2 LONG TAPERED OR 1 SHORT TAPERED, rated_expansion_diameter: 1.847 INCHES IN, nondefinitive_spec/std_data: 1 CLASS AND I TYPE, tube_sheet_maximum_thickness: 1.500 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 3456-00-640-3005, 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
F166-940ITEM379
NSN: 3456-00-640-3005
FSC: 3456
CAGE: 11440 — GE STEAM POWER INC DBA GE STEAM POWER, INC DIV GENERAL ELECTRIC (USA)
SPECIFICATIONS
cage_adjustabilityNONADJUSTABLE
entering_handhole_size3.375 BY 3.750 IN. IN
roll_type_and_quantity1 FLARING OR 2 LONG TAPERED OR 1 SHORT TAPERED
rated_expansion_diameter1.847 INCHES IN
nondefinitive_spec/std_data1 CLASS AND I TYPE
tube_sheet_maximum_thickness1.500 INCHES IN
departure_from_cited_documentAS MODIFIED BY PARA 3.3.2 CAGE AND PARA 3.3.3 ROLLS
tube_minimum_inside_diameter_accommodated1.645 INCHES IN
NSN3456-00-640-3005
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAGE ASSEMBLY,ROLLER TUBE EXPAND TITLE COMPONENT PN F166-940ITEM379 MFR CAGE ASSEMBLY,ROLLER T
KEY FEATURES
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY PARA 3.3.2 CAGE AND PARA 3.3.3 ROLLS
ENTERING HANDHOLE SIZE: 3.375 BY 3.750 IN. IN
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND I TYPE
TUBE MINIMUM INSIDE DIAMETER ACCOMMODATED: 1.645 INCHES IN
ROLL TYPE AND QUANTITY: 1 FLARING OR 2 LONG TAPERED OR 1 SHORT TAPERED
TUBE SHEET MAXIMUM THICKNESS: 1.500 INCHES IN
CAGE ADJUSTABILITY: NONADJUSTABLE
RATED EXPANSION DIAMETER: 1.847 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY PARA 3.3.2 CAGE AND PARA 3.3.3 ROLLS
ENTERING HANDHOLE SIZE3.375 BY 3.750 IN. IN
NONDEFINITIVE SPEC/STD DATA1 CLASS AND I TYPE
TUBE MINIMUM INSIDE DIAMETER ACCOMMODATED1.645 INCHES IN
ROLL TYPE AND QUANTITY1 FLARING OR 2 LONG TAPERED OR 1 SHORT TAPERED
TUBE SHEET MAXIMUM THICKNESS1.500 INCHES IN
CAGE ADJUSTABILITYNONADJUSTABLE
RATED EXPANSION DIAMETER1.847 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
C2-6Interchangeable
interchangeable cross-reference
interchangeable
R3457BInterchangeable
interchangeable cross-reference
interchangeable
M10-10RXInterchangeable
interchangeable cross-reference
interchangeable
411177-105Interchangeable
interchangeable cross-reference
interchangeable
SS-S-736Interchangeable
interchangeable cross-reference
interchangeable
61463686480Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F166-940ITEM379?
F166-940ITEM379 is a CAGE ASSEMBLY,ROLLER TUBE EXPAND.
What parts can replace F166-940ITEM379?
There are 21 known substitutes for F166-940ITEM379: C2-6, R3457B, M10-10RX and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F166-940ITEM379?
F166-940ITEM379 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3456-00-640-3005. This indicates validated use in U.S. government and defense supply chains.
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