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2870B4 — DATA ACQUISITION UNIT

✓ Government record, cited
GE AVIATION SYSTEMS LLC · COMPONENT
PRODUCT OVERVIEW

2870B4: DATA ACQUISITION UNIT.

The DATA ACQUISITION UNIT is a GE AVIATION SYSTEMS LLC industrial component. Key specifications include POWER SOURCE: EXTERNAL, MOUNTING TYPE: RACK, UNPACKAGED UNIT WIDTH: 6.230 INCHES NOMINAL IN, TYPE/MODEL DESIGNATION: RO-626/A, UNPACKAGED UNIT HEIGHT: 7.030 INCHES NOMINAL IN, UNPACKAGED UNIT LENGTH: 7.280 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6610-01-577-1829, 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
2870B4
NSN: 6610-01-577-1829
FSC: 6610 — Flight Instruments
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
POWER SOURCEEXTERNAL
MOUNTING TYPERACK
UNPACKAGED UNIT WIDTH6.230 INCHES NOMINAL IN
TYPE/MODEL DESIGNATIONRO-626/A
UNPACKAGED UNIT HEIGHT7.030 INCHES NOMINAL IN
UNPACKAGED UNIT LENGTH7.280 INCHES NOMINAL IN
END ITEM IDENTIFICATIONC-17 AIRCRAFT
INPUT INTELLIGENCE TYPEWIND DIRECTION AND WIND SPEED AND STRAIN GAGES AND AIRCRAFT LATTITUDE AND FUEL TRANSFER AND PITCH ACCELERATION AND YAW ACCELERATION AND ENGINE STALL
REFERENCE DATA AND LITERATURETO 1C-17A-4-2 & JETDAS DATA A
CRITICALITY CODE JUSTIFICATIONAGAV
RELATIONSHIP TO SIMILAR EQUIPMENTCONTAINS ONE ADDITIONAL FOUR CHANNEL MIL-STD-1553 INTERFACE CIRCUIT CARD ASSEMBLY THAN THE -003 VERSION
DIRECT CURRENT VOLTAGE RATING IN VOLTS28.0
NSN6610-01-577-1829
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: GE AVIATION SYSTEMS LLC DATA ACQUISITION UNIT TITLE COMPONENT PN 2870B4 MFR GE AVIATION SYSTEMS LLC DATA ACQUISITION UNIT
KEY FEATURES
•
RELATIONSHIP TO SIMILAR EQUIPMENT: CONTAINS ONE ADDITIONAL FOUR CHANNEL MIL-STD-1553 INTERFACE CIRCUIT CARD ASSEMBLY THAN THE -003 VERSION
•
UNPACKAGED UNIT LENGTH: 7.280 INCHES NOMINAL IN
•
POWER SOURCE: EXTERNAL
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
REFERENCE DATA AND LITERATURE: TO 1C-17A-4-2 & JETDAS DATA A
•
UNPACKAGED UNIT WIDTH: 6.230 INCHES NOMINAL IN
•
DIRECT CURRENT VOLTAGE RATING IN VOLTS: 28.0
•
UNPACKAGED UNIT HEIGHT: 7.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RELATIONSHIP TO SIMILAR EQUIPMENTCONTAINS ONE ADDITIONAL FOUR CHANNEL MIL-STD-1553 INTERFACE CIRCUIT CARD ASSEMBLY THAN THE -003 VERSION
UNPACKAGED UNIT LENGTH7.280 INCHES NOMINAL IN
POWER SOURCEEXTERNAL
CRITICALITY CODE JUSTIFICATIONAGAV
REFERENCE DATA AND LITERATURETO 1C-17A-4-2 & JETDAS DATA A
UNPACKAGED UNIT WIDTH6.230 INCHES NOMINAL IN
DIRECT CURRENT VOLTAGE RATING IN VOLTS28.0
UNPACKAGED UNIT HEIGHT7.030 INCHES NOMINAL IN
INPUT INTELLIGENCE TYPEWIND DIRECTION AND WIND SPEED AND STRAIN GAGES AND AIRCRAFT LATTITUDE AND FUEL TRANSFER AND PITCH ACCELERATION AND YAW ACCELERATION AND ENGINE STALL
FUNCTIONAL DESCRIPTIONSOFTWARE CONTROLLED DATA RECORDERACQUIRING AIRCRAFT PARAMETER DATA FROM MIL-STD-1553 DATA BUSSES, FOUR ARINC 429 DATA BUSSES, AND SEVEN FUSELAGE MOUNTED STRAIN GAUGES. STORED DATA IS DOWNLOADED FOR MAINTENANCE ANALYSIS. MISHAP DATA IS FORWARDED TO FLIGHT DATA MEMORY UNIT
SUBSTITUTES & CROSS-REFERENCES 2
17P1E1138Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
RO-626/AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 2870B4?
2870B4 is a DATA ACQUISITION UNIT manufactured by GE AVIATION SYSTEMS LLC.
What parts can replace 2870B4?
There are 2 known substitutes for 2870B4: 17P1E1138, RO-626/A. Substitute compatibility should be verified for your specific system.
What is the NSN for 2870B4?
2870B4 is cataloged in the U.S. Government catalog under NSN 6610-01-577-1829. This indicates validated use in U.S. government and defense supply chains.
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