PartsTable
Technical Data Sheet
D638 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The REGULATOR,ENGINE GENERATOR is a the manufacturer industrial component. Key specifications include shock_mount: NOT PROVIDED, terminal_type: QUICK DISCONNECT, MALE, mounting_style: THREE HOLE TRIANGULAR, field_relay_unit: INCLUDED, terminal_encasement: NOT ENCASED, system_voltage_rating: 12.0. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-427-6937, 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
D638
NSN: 2920-00-427-6937
FSC: 2920
CAGE: 16746 — RBC SPECLINE INC DBA SPECLINE INC (USA)
SPECIFICATIONS
shock_mountNOT PROVIDED
terminal_typeQUICK DISCONNECT, MALE
mounting_styleTHREE HOLE TRIANGULAR
field_relay_unitINCLUDED
terminal_quantity4
terminal_encasementNOT ENCASED
system_voltage_rating12.0
mounting_hole_diameter0.272 INCHES MINIMUM IN
system_ground_polarityNEGATIVE
end_item_identification015331853
environmental_protectionHERMETICALLY SEALED
voltage_regulator_unit_typeTRANSISTOR
NSN2920-00-427-6937
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REGULATOR,ENGINE GENERATOR TITLE COMPONENT PN D638 MFR REGULATOR,ENGINE GENER
KEY FEATURES
SYSTEM GROUND POLARITY: NEGATIVE
CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH AND HOLE ALONG LENGTH: 3.540 INCHES NOMINAL IN
RADIO INTERFERENCE SHIELDING: NOT PROVIDED
FIELD RELAY UNIT: INCLUDED
ENVIRONMENTAL PROTECTION: HERMETICALLY SEALED
SYSTEM VOLTAGE RATING: 12.0
MOUNTING STYLE: THREE HOLE TRIANGULAR
MOUNTING HOLE DIAMETER: 0.282 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SYSTEM GROUND POLARITYNEGATIVE
CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH AND HOLE ALONG LENGTH3.540 INCHES NOMINAL IN
RADIO INTERFERENCE SHIELDINGNOT PROVIDED
FIELD RELAY UNITINCLUDED
ENVIRONMENTAL PROTECTIONHERMETICALLY SEALED
SYSTEM VOLTAGE RATING12.0
MOUNTING STYLETHREE HOLE TRIANGULAR
MOUNTING HOLE DIAMETER0.282 INCHES MAXIMUM IN
TERMINAL ENCASEMENTNOT ENCASED
MOUNTING HOLE DIAMETER0.272 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
D638Interchangeable
interchangeable cross-reference
interchangeable
8597820Interchangeable
interchangeable cross-reference
interchangeable
1869Interchangeable
interchangeable cross-reference
interchangeable
CR3-2Interchangeable
interchangeable cross-reference
interchangeable
16219Interchangeable
interchangeable cross-reference
interchangeable
CR6-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D638?
D638 is a REGULATOR,ENGINE GENERATOR.
What parts can replace D638?
There are 18 known substitutes for D638: D638, 8597820, 1869 and 15 more. Substitute compatibility should be verified for your specific system.
Is D638 still available?
D638 is currently cancelled.
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