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4681-7 — GEAR,WORM WHEEL

✓ Government record, cited
Lindy · COMPONENT
PRODUCT OVERVIEW

4681-7: GEAR,WORM WHEEL.

The GEAR,WORM WHEEL is a Lindy industrial component. Key specifications include special_features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200, supplementary_features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-117-3564, 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
4681-7
NSN: 3020-00-117-3564
NIINs: 001173564, 008467580
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 28554 — DORAL, INC DBA J & F ENGINEERING (USA)
SPECIFICATIONS
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
NSN3020-00-117-3564
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy GEAR,WORM WHEEL TITLE COMPONENT PN 4681-7 MFR Lindy GEAR,WORM WHEEL
KEY FEATURES
•
BORE NOMINAL DIAMETER: 3.125 INCHES BOTH ENDS IN
•
HELIX ANGLE: 65.0044 DEGREES
•
HUB NOMINAL DIAMETER: 4.188 INCHES SECOND END IN
•
TEETH QUANTITY: 60
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BS1400PB3-C BRITISH STD ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
BODY STYLE: PLAIN, SOLID
•
COUNTERBORE NOMINAL DIAMETER: 3.313 INCHES COUNTERBORE FIRST END IN
•
TOOTH DIRECTION: LEFT
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER3.125 INCHES BOTH ENDS IN
HELIX ANGLE65.0044 DEGREES
HUB NOMINAL DIAMETER4.188 INCHES SECOND END IN
TEETH QUANTITY60
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBS1400PB3-C BRITISH STD ASSN STD SINGLE TREATMENT RESPONSE OVERALL
BODY STYLEPLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER3.313 INCHES COUNTERBORE FIRST END IN
TOOTH DIRECTIONLEFT
BORE STYLEW/COUNTERBORE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END3.875 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 1
9445447Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4681-7?
4681-7 is a GEAR,WORM WHEEL manufactured by Lindy.
What parts can replace 4681-7?
There is 1 known substitute for 4681-7: 9445447. Substitute compatibility should be verified for your specific system.
What is the NSN for 4681-7?
4681-7 is cataloged in the U.S. Government catalog under NSN 3020-00-117-3564. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.