132D1721 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

132D1721: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: WEBBED, WITH LIGHTENING HOLES, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 4.0000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-118-9394, 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

132D1721

NSN: 3020-01-118-9394
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
body_style	WEBBED, WITH LIGHTENING HOLES
bore_style	INVOLUTE SPLINE BOTH ENDS
tooth_form	STANDARD
pitch_diameter	4.0000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	40
hardness_rating	33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity	18 BOTH ENDS
style_designator	PROTRUDING HUBS
surface_treatment	PHOSPHATE OVERALL
face_nominal_width	0.240 INCHES IN
NSN	3020-01-118-9394

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.631 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.690 INCHES SECOND END IN

•

TEETH QUANTITY: 40

•

BODY STYLE: WEBBED, WITH LIGHTENING HOLES

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.202 INCHES FIRST END IN

•

HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: PROTRUDING HUBS

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.631 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.690 INCHES SECOND END IN
TEETH QUANTITY	40
BODY STYLE	WEBBED, WITH LIGHTENING HOLES
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.202 INCHES FIRST END IN
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	PROTRUDING HUBS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	4.0000 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.

3020-00-000-0091 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

10106639Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 132D1721?

132D1721 is a GEAR,SPUR.

What parts can replace 132D1721?

There is 1 known substitute for 132D1721: 10106639. Substitute compatibility should be verified for your specific system.

What is the NSN for 132D1721?

132D1721 is cataloged in the U.S. Government catalog under NSN 3020-01-118-9394. This indicates validated use in U.S. government and defense supply chains.

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132D1721 — GEAR,SPUR

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