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12561767 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12561767: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, WITH LIGHTENING HOLES, pitch_diameter: 4.000 INCHES NOMINAL IN, pressure_angle: 25.0 DEGREES, teeth_quantity: 16, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-645-6100, 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
12561767
NSN: 3020-01-645-6100
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, WITH LIGHTENING HOLES
pitch_diameter4.000 INCHES NOMINAL IN
pressure_angle25.0 DEGREES
teeth_quantity16
style_designatorPROTRUDING HUB
face_nominal_width0.125 INCHES IN
end_item_identification2350-01-577-0830
nominal_outside_diameter4.635 INCHES IN
material_document_and_classificationAMS6285 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGEAR, FIXED
NSN3020-01-645-6100
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 12561767 MFR GEAR,HELICAL
KEY FEATURES
•
TEETH QUANTITY: 16
•
BODY STYLE: PLAIN, WITH LIGHTENING HOLES
•
STYLE DESIGNATOR: PROTRUDING HUB
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6285 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PITCH DIAMETER: 4.000 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 4.635 INCHES IN
TECHNICAL CHARACTERISTICS
TEETH QUANTITY16
BODY STYLEPLAIN, WITH LIGHTENING HOLES
STYLE DESIGNATORPROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6285 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER4.000 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER4.635 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGEAR, FIXED
END ITEM IDENTIFICATION2350-01-577-0830
PRESSURE ANGLE25.0 DEGREES
MATERIALSTEEL OVERALL
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 12561767?
12561767 is a GEAR,HELICAL.
What is the NSN for 12561767?
12561767 is cataloged in the U.S. Government catalog under NSN 3020-01-645-6100. 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.