3N287 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3N287: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, duty_cycle: CONTINUOUS, temp_rating: 40.0 AMBIENT CELSIUS, keyway_depth: 0.094 INCHES NOMINAL SINGLE END IN, keyway_width: 0.188 INCHES NOMINAL SINGLE END IN, power_rating: 2.000 HORSEPOWER OUTPUT. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-441-2574, 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

3N287

NSN: 3040-00-441-2574
NIINs: 004412574, 011905431
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 54370 — ALFA LAVAL INC. (USA)

SPECIFICATIONS

phase	THREE INPUT
duty_cycle	CONTINUOUS
temp_rating	40.0 AMBIENT CELSIUS
keyway_depth	0.094 INCHES NOMINAL SINGLE END IN
keyway_width	0.188 INCHES NOMINAL SINGLE END IN
power_rating	2.000 HORSEPOWER OUTPUT
winding_type	INDUCTION-SQUIRREL CAGE
keyway_length	2.000 INCHES NOMINAL SINGLE END IN
overall_width	10.250 INCHES10.250 INCHES IN
cooling_method	FAN COOLED
overall_height	6.750 INCHES6.750 INCHES IN
overall_length	11.750 INCHES11.750 INCHES IN
NSN	3040-00-441-2574

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 16.0 MICROINCHES

•

SECOND END EXTERNAL THREAD LENGTH: 0.645 INCHES NOMINAL IN

•

STEP QUANTITY: 6

•

FIRST END DIAMETER: 0.7500 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.3750 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 0.939 INCHES NOMINAL IN

•

FIRST END STYLE: PLAIN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,AISI C1045 FED SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	16.0 MICROINCHES
SECOND END EXTERNAL THREAD LENGTH	0.645 INCHES NOMINAL IN
STEP QUANTITY	6
FIRST END DIAMETER	0.7500 INCHES NOMINAL IN
SECOND END DIAMETER	0.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER	0.939 INCHES NOMINAL IN
FIRST END STYLE	PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633,AISI C1045 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	10.620 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL

SUBSTITUTES & CROSS-REFERENCES 6

3N278PC44Reference document

Same NSN cross-reference

Reference document — Secondary reference

3N287PC44Reference document

Same NSN cross-reference

Reference document — Secondary reference

3N-387 PIECE 44Reference document

Same NSN cross-reference

Reference document — Secondary reference

MEC-4412574Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AC5807-1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

3N-371 PIECE 44Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3N287?

3N287 is a SHAFT,SHOULDERED.

What parts can replace 3N287?

There are 6 known substitutes for 3N287: 3N278PC44, 3N287PC44, 3N-387 PIECE 44 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 3N287?

3N287 is cataloged in the U.S. Government catalog under NSN 3040-00-441-2574. This indicates validated use in U.S. government and defense supply chains.

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