B446638 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B446638: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, bore_style: W/ KEYWAY BOTH ENDS, style_designator: PROTRUDING HUB, attachment_method: MOUNTING HOLE, face_nominal_width: 1.000 INCHES IN, hub_nominal_diameter: 1.500 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-171-4533, 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

B446638

NSN: 3020-01-171-4533
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 14139 — AINSLIE CORPORATION (USA)

SPECIFICATIONS

material	NICKEL ALLOY K-500 OVERALL
bore_style	W/ KEYWAY BOTH ENDS
style_designator	PROTRUDING HUB
attachment_method	MOUNTING HOLE
face_nominal_width	1.000 INCHES IN
hub_nominal_diameter	1.500 INCHES FIRST END IN
keyway_nominal_width	0.251 INCHES BOTH ENDS IN
bore_nominal_diameter	1.000 INCHES BOTH ENDS IN
nominal_outside_diameter	2.100 INCHES IN
mounting_hole_type_and_quantity	1 THREADED AXIALLY THROUGH BODY FIRST END
material_document_and_classification	QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_distance_between_body_face_and_protruding_hub_end	0.625 INCHES FIRST END IN
NSN	3020-01-171-4533

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.251 INCHES BOTH ENDS IN

•

BORE NOMINAL DIAMETER: 1.000 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.500 INCHES FIRST END IN

•

BORE STYLE: W/ KEYWAY BOTH ENDS

•

MOUNTING HOLE TYPE AND QUANTITY: 1 THREADED AXIALLY THROUGH BODY FIRST END

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.625 INCHES FIRST END IN

•

STYLE DESIGNATOR: PROTRUDING HUB

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.251 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER	1.000 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.500 INCHES FIRST END IN
BORE STYLE	W/ KEYWAY BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	1 THREADED AXIALLY THROUGH BODY FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.625 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER	2.100 INCHES IN
MATERIAL	NICKEL ALLOY K-500 OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

446638Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is B446638?

B446638 is a GEAR,SPUR.

What parts can replace B446638?

There is 1 known substitute for B446638: 446638. Substitute compatibility should be verified for your specific system.

What is the NSN for B446638?

B446638 is cataloged in the U.S. Government catalog under NSN 3020-01-171-4533. This indicates validated use in U.S. government and defense supply chains.

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