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1655921 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1655921: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 0.4375 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 14, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-618-9638, 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
1655921
NSN: 3020-00-618-9638
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_stylePLAIN, SOLID
tooth_formSTANDARD
pitch_diameter0.4375 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity14
style_designatorPROTRUDING HUB
face_nominal_width0.188 INCHES IN
bore_nominal_diameter0.250 INCHES BOTH ENDS IN
nominal_overall_length0.755 INCHES IN
precision_classificationQUALITY NUMBER 5 OR QUALITY NUMBER 6
NSN3020-00-618-9638
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 1655921 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 14
•
BODY STYLE: PLAIN, SOLID
•
PRECISION CLASSIFICATION: QUALITY NUMBER 5 OR QUALITY NUMBER 6
•
NOMINAL OVERALL LENGTH: 0.755 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
PITCH DIAMETER: 0.4375 INCHES NOMINAL IN
•
TOOTH FORM: STANDARD
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS IN
TEETH QUANTITY14
BODY STYLEPLAIN, SOLID
PRECISION CLASSIFICATIONQUALITY NUMBER 5 OR QUALITY NUMBER 6
NOMINAL OVERALL LENGTH0.755 INCHES IN
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.4375 INCHES NOMINAL IN
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
FACE NOMINAL WIDTH0.188 INCHES 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
BUWEPSDWG1655921Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1655921?
1655921 is a GEAR,SPUR.
What parts can replace 1655921?
There is 1 known substitute for 1655921: BUWEPSDWG1655921. Substitute compatibility should be verified for your specific system.
What is the NSN for 1655921?
1655921 is cataloged in the U.S. Government catalog under NSN 3020-00-618-9638. 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.