21861 — INSULATOR,PLATE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

21861: INSULATOR,PLATE.

The INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include phase: SINGLE OUTPUT, diameter: 4.000 INCHES NOMINAL IN, material: MICA OVERALL, cut_depth: 1.125 INCHES NOMINAL IN, duty_cycle: CONTINUOUS, temp_rating: 40.0 AMBIENT CELSIUS. This part is cataloged in the U.S.

Government catalog under NSN 6125-00-239-7253, 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

21861

NSN: 6125-00-239-7253
NIINs: 002397253, 010742476, 011109775, 013648198, 015170244
FSC: 6125 — Converters, Electrical, Rotating
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)

SPECIFICATIONS

phase	SINGLE OUTPUT
diameter	4.000 INCHES NOMINAL IN
material	MICA OVERALL
cut_depth	1.125 INCHES NOMINAL IN
duty_cycle	CONTINUOUS
temp_rating	40.0 AMBIENT CELSIUS
bearing_type	ANNULAR BALL
current_type	DC INPUT
overall_width	0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
cooling_method	SELF-VENTILATED
overall_height	0.002 INCHES MINIMUM AND 0.003 INCHES MAXIMUM IN
overall_length	0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN	6125-00-239-7253

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)

•

DUTY CYCLE: CONTINUOUS

•

PHASE: SINGLE OUTPUT

•

FREQUENCY IN HERTZ: 60.0 OUTPUT

•

CURRENT TYPE: DC INPUT

•

MOUNTING METHOD: BED PLATE

•

COOLING METHOD: SELF-VENTILATED

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
DUTY CYCLE	CONTINUOUS
PHASE	SINGLE OUTPUT
FREQUENCY IN HERTZ	60.0 OUTPUT
CURRENT TYPE	DC INPUT
OVERALL LENGTH	12.000 INCHES IN
MOUNTING METHOD	BED PLATE
COOLING METHOD	SELF-VENTILATED
FEATURES PROVIDED	HORIZONTAL MOUNTING POSITION
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS	115.0 LINE TO LINE SINGLE OUTPUT

SUBSTITUTES & CROSS-REFERENCES 2

DDD6728Reference document

Same NSN cross-reference

Reference document — Secondary reference

1410-15AReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21861?

21861 is a INSULATOR,PLATE.

What parts can replace 21861?

There are 2 known substitutes for 21861: DDD6728, 1410-15A. Substitute compatibility should be verified for your specific system.

What is the NSN for 21861?

21861 is cataloged in the U.S. Government catalog under NSN 6125-00-239-7253. This indicates validated use in U.S. government and defense supply chains.

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