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865944 — GEAR CLUSTER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

865944: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, bore_style: W/COUNTERBORE BOTH ENDS, design_type: SPUR FIRST GEAR, construction: SOLID, hub_nominal_length: 0.266 INCHES BETWEEN FIRST AND SECOND GEAR IN, hub_nominal_diameter: 0.375 INCHES BETWEEN FIRST AND SECOND GEAR IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-474-3687, 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
865944
NSN: 3020-00-474-3687
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bore_styleW/COUNTERBORE BOTH ENDS
design_typeSPUR FIRST GEAR
constructionSOLID
hub_nominal_length0.266 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_nominal_diameter0.375 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_style_designatorPLAIN BETWEEN FIRST AND SECOND GEAR
bore_nominal_diameter0.188 INCHES BOTH ENDS IN
nominal_overall_length0.484 INCHES IN
nominal_outside_diameter0.625 INCHES SECOND GEAR IN
counterbore_nominal_depth0.063 INCHES BOTH ENDS IN
counterbore_nominal_diameter0.2500 INCHES BOTH ENDS IN
NSN3020-00-474-3687
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR CLUSTER TITLE COMPONENT PN 865944 MFR GEAR CLUSTER
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.188 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.375 INCHES BETWEEN FIRST AND SECOND GEAR IN
•
COUNTERBORE NOMINAL DIAMETER: 0.2500 INCHES BOTH ENDS IN
•
DESIGN TYPE: SPUR SECOND GEAR
•
BORE STYLE: W/COUNTERBORE BOTH ENDS
•
NOMINAL OVERALL LENGTH: 0.484 INCHES IN
•
HUB STYLE DESIGNATOR: PLAIN BETWEEN FIRST AND SECOND GEAR
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.375 INCHES BETWEEN FIRST AND SECOND GEAR IN
COUNTERBORE NOMINAL DIAMETER0.2500 INCHES BOTH ENDS IN
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
BORE STYLEW/COUNTERBORE BOTH ENDS
NOMINAL OVERALL LENGTH0.484 INCHES IN
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.266 INCHES BETWEEN FIRST AND SECOND GEAR IN
NOMINAL OUTSIDE DIAMETER0.625 INCHES SECOND GEAR 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 865944?
865944 is a GEAR CLUSTER.
What is the NSN for 865944?
865944 is cataloged in the U.S. Government catalog under NSN 3020-00-474-3687. 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.