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A6643 — REGULATOR,ENGINE GENERATOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A6643: REGULATOR,ENGINE GENERATOR.

The REGULATOR,ENGINE GENERATOR is a the manufacturer industrial component. Key specifications include body_width: 2.375 INCHES NOMINAL IN, body_height: 2.812 INCHES NOMINAL IN, body_length: 2.750 INCHES NOMINAL IN, shock_mount: PROVIDED, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, terminal_type: SCREW. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-640-7504, 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
A6643
NSN: 2920-00-640-7504
NIINs: 006407504, 007082469, 010211123
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 93742 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
body_width2.375 INCHES NOMINAL IN
body_height2.812 INCHES NOMINAL IN
body_length2.750 INCHES NOMINAL IN
shock_mountPROVIDED
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
terminal_typeSCREW
inclosure_typeHERMETICALLY SEALED
mounting_styleTHREE HOLE TRIANGULAR
inductance_typeFIXED
mounting_methodTHREADED STUD(S) SINGLE GROUP
field_relay_unitNOT INCLUDED
winding_quantity1 SINGLE COMPONENT
NSN2920-00-640-7504
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REGULATOR,ENGINE GENERATOR TITLE COMPONENT PN A6643 MFR REGULATOR,ENGINE GENER
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH AND HOLE ALONG LENGTH: 5.060 INCHES NOMINAL IN
•
FIELD RELAY UNIT: NOT INCLUDED
•
TERMINAL QUANTITY: 3
•
TERMINAL TYPE: SCREW
•
CURRENT REGULATOR UNIT TYPE: WIRE WOUND COIL
•
SHOCK MOUNT: PROVIDED
•
OUTPUT CURRENT RATING IN AMPS: 18.0 NOMINAL
•
RADIO INTERFERENCE SHIELDING: NOT PROVIDED
TECHNICAL CHARACTERISTICS
CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH AND HOLE ALONG LENGTH5.060 INCHES NOMINAL IN
FIELD RELAY UNITNOT INCLUDED
TERMINAL QUANTITY3
TERMINAL TYPESCREW
CURRENT REGULATOR UNIT TYPEWIRE WOUND COIL
SHOCK MOUNTPROVIDED
OUTPUT CURRENT RATING IN AMPS18.0 NOMINAL
RADIO INTERFERENCE SHIELDINGNOT PROVIDED
DISTANCE BETWEEN HOLES ALONG WIDTH1.500 INCHES NOMINAL IN
CUT-IN VOLTAGE RATING24.0 MINIMUM AND 27.0 MAXIMUM
SUBSTITUTES & CROSS-REFERENCES 6
MH11558Reference document
Same NSN cross-reference
Reference document — Secondary reference
1118789Reference document
Same NSN cross-reference
Reference document — Secondary reference
F162M430Reference document
Same NSN cross-reference
Reference document — Secondary reference
H11558Reference document
Same NSN cross-reference
Reference document — Secondary reference
F162M425Reference document
Same NSN cross-reference
Reference document — Secondary reference
501C443Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A6643?
A6643 is a REGULATOR,ENGINE GENERATOR.
What parts can replace A6643?
There are 6 known substitutes for A6643: MH11558, 1118789, F162M430 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6643?
A6643 is cataloged in the U.S. Government catalog under NSN 2920-00-640-7504. This indicates validated use in U.S. government and defense supply chains.
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