P21-4-64-Q12 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

P21-4-64-Q12: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 HUB, bore_style: PLAIN BETWEEN BODY AND FLANGE, pitch_diameter: 1.3335 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 64, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-463-5527, 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

P21-4-64-Q12

NSN: 3020-01-463-5527
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)

SPECIFICATIONS

material	STEEL COMP 303 HUB
bore_style	PLAIN BETWEEN BODY AND FLANGE
pitch_diameter	1.3335 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	64
style_designator	PROTRUDING HUB
face_nominal_width	0.312 INCHES IN
bore_nominal_diameter	0.1248 INCHES FIRST END IN
end_item_identification	E/I AN/APQ170RAD, W/S,9AC-130A,AC-130H,MC-130H,EC-130E,HC-130) AIRCR A
nominal_outside_diameter	1.3750 INCHES IN
material_document_and_classification	MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
nominal_distance_between_body_face_and_protruding_hub_end	0.250 INCHES FIRST END IN
NSN	3020-01-463-5527

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.1248 INCHES FIRST END IN

•

TEETH QUANTITY: 64

•

BORE STYLE: PLAIN BETWEEN BODY AND FLANGE

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES FIRST END IN

•

STYLE DESIGNATOR: PROTRUDING HUB

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB

•

PITCH DIAMETER: 1.3335 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.1248 INCHES FIRST END IN
TEETH QUANTITY	64
BORE STYLE	PLAIN BETWEEN BODY AND FLANGE
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.250 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING
PITCH DIAMETER	1.3335 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER	1.3750 INCHES IN
END ITEM IDENTIFICATION	E/I AN/APQ170RAD, W/S,9AC-130A,AC-130H,MC-130H,EC-130E,HC-130) AIRCR A

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 2

ES3902-009Reference document

Same NSN cross-reference

Reference document — Secondary reference

ES3902Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is P21-4-64-Q12?

P21-4-64-Q12 is a GEAR,ANTIBACKLASH,SPUR.

What parts can replace P21-4-64-Q12?

There are 2 known substitutes for P21-4-64-Q12: ES3902-009, ES3902. Substitute compatibility should be verified for your specific system.

What is the NSN for P21-4-64-Q12?

P21-4-64-Q12 is cataloged in the U.S. Government catalog under NSN 3020-01-463-5527. This indicates validated use in U.S. government and defense supply chains.

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P21-4-64-Q12 — GEAR,ANTIBACKLASH,SPUR

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