7-317221313 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7-317221313: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 FIRST GEAR, bore_style: PLAIN BOTH ENDS, pitch_diameter: 2.2500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 18, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-211-4162, 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

7-317221313

NSN: 3020-01-211-4162
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 FIRST GEAR
bore_style	PLAIN BOTH ENDS
pitch_diameter	2.2500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	18
style_designator	PROTRUDING HUB
face_nominal_width	0.190 INCHES IN
bore_nominal_diameter	0.249 INCHES BOTH ENDS IN
end_item_identification	1520-01-106-9519
nominal_outside_diameter	2.635 INCHES IN
nominal_distance_between_body_face_and_protruding_hub_end	0.237 INCHES FIRST END IN
NSN	3020-01-211-4162

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.249 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 18

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.237 INCHES FIRST END IN

•

STYLE DESIGNATOR: PROTRUDING HUB

•

PITCH DIAMETER: 2.2500 INCHES NOMINAL IN

•

NOMINAL OUTSIDE DIAMETER: 2.635 INCHES IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.249 INCHES BOTH ENDS IN
TEETH QUANTITY	18
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.237 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUB
PITCH DIAMETER	2.2500 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER	2.635 INCHES IN
END ITEM IDENTIFICATION	1520-01-106-9519
PRESSURE ANGLE	20.0000 DEGREES
MATERIAL	ALUMINUM ALLOY 2024 SECOND GEAR

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.

3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 1

7-317221313-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7-317221313?

7-317221313 is a GEAR,ANTIBACKLASH,SPUR.

What parts can replace 7-317221313?

There is 1 known substitute for 7-317221313: 7-317221313-3. Substitute compatibility should be verified for your specific system.

What is the NSN for 7-317221313?

7-317221313 is cataloged in the U.S. Government catalog under NSN 3020-01-211-4162. This indicates validated use in U.S. government and defense supply chains.

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7-317221313 — GEAR,ANTIBACKLASH,SPUR

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