21-138-1 — Technical Data Sheet

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— · 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 REGULATOR,VOLTAGE is a the manufacturer industrial component. Key specifications include duty_cycle: CONTINUOUS, temp_rating: 40.0 AMBIENT CELSIUS, power_rating: 0.0125 HORSEPOWER OUTPUT, winding_type: SERIES WOUND, overall_width: 2.312 INCHES IN, cooling_method: NONVENTILATED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-646-0404, 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

21-138-1

NSN: 6625-01-646-0404
FSC: 6625
CAGE: 55910 — NIWC PACIFIC SAN DIEGO NAVY ERP DBA NAVAL INFORMATION WARFARE CENTER PACIFIC DIV NAVAL INFORMATION WARFARE CENTER PACIFIC (USA)

SPECIFICATIONS

duty_cycle	CONTINUOUS
temp_rating	40.0 AMBIENT CELSIUS
power_rating	0.0125 HORSEPOWER OUTPUT
winding_type	SERIES WOUND
overall_width	2.312 INCHES IN
cooling_method	NONVENTILATED
overall_height	2.312 INCHES IN
overall_length	3.828 INCHES IN
shaft_diameter	0.2500 INCHES NOMINAL SINGLE END IN
mounting_method	END BELL
special_features	WEAPON SYSTEM TRAINING DEVICE
enclosure_feature	TOTALLY ENCLOSED
NSN	6625-01-646-0404

COMPONENT DIAGRAM

VERIFIED SUBSTITUTES & CROSS-REFERENCES 2

0211381Interchangeable

Same NIIN cross-reference

interchangeable

21-138Interchangeable

Regulator,voltage

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other

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FREQUENTLY ASKED QUESTIONS

What is 21-138-1?

21-138-1 is a REGULATOR,VOLTAGE.

What parts can replace 21-138-1?

There are 2 known substitutes for 21-138-1: 0211381, 21-138. Substitute compatibility should be verified for your specific system.

What is the NSN for 21-138-1?

21-138-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-646-0404. This indicates validated use in U.S. government and defense supply chains.

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21-138-1 — Technical Data Sheet

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