1988850 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1988850: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, body_style: PLAIN, SOLID, bore_style: W/COUNTERBORE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.9375 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-684-3075, 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

1988850

NSN: 3020-00-684-3075
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6061 OVERALL
body_style	PLAIN, SOLID
bore_style	W/COUNTERBORE BOTH ENDS
tooth_form	STANDARD
pitch_diameter	0.9375 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	45
special_features	TWO HOLES 0.109IN. DIA 0.125 IN. DEEP DRILLED 180 DEG APART ON 0.437 IN. DIA CIRCLE ON COUNTERBORED END IN
style_designator	HUBLESS
attachment_method	MOUNTING HOLE
surface_treatment	OXIDE FILM BODY
face_nominal_width	0.312 INCHES IN
NSN	3020-00-684-3075

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.241 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 45

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BODY

•

BODY STYLE: PLAIN, SOLID

•

COUNTERBORE NOMINAL DIAMETER: 0.625 INCHES FIRST END IN

•

BORE STYLE: W/COUNTERBORE BOTH ENDS

•

MOUNTING HOLE TYPE AND QUANTITY: 3 THREADED AXIALLY THROUGH BODY FIRST END

•

STYLE DESIGNATOR: HUBLESS

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.241 INCHES BOTH ENDS IN
TEETH QUANTITY	45
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BODY
BODY STYLE	PLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER	0.625 INCHES FIRST END IN
BORE STYLE	W/COUNTERBORE BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	3 THREADED AXIALLY THROUGH BODY FIRST END
STYLE DESIGNATOR	HUBLESS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	0.9375 INCHES NOMINAL IN

OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115

SUBSTITUTES & CROSS-REFERENCES 1

1988850REVCReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 1988850?

1988850 is a GEAR,SPUR.

What parts can replace 1988850?

There is 1 known substitute for 1988850: 1988850REVC. Substitute compatibility should be verified for your specific system.

What is the NSN for 1988850?

1988850 is cataloged in the U.S. Government catalog under NSN 3020-00-684-3075. This indicates validated use in U.S. government and defense supply chains.

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1988850 — GEAR,SPUR

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