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01770-0183 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

01770-0183: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, helix_angle: 23.2158 DEGREES, pitch_diameter: 3.1420 INCHES NOMINAL IN, pressure_angle: 18.3666 DEGREES, teeth_quantity: 22. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-090-5840, 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
01770-0183
NSN: 3020-00-090-5840
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 79343 — ASRC FEDERAL FACILITIES LOGISTICS, LLC (USA)
SPECIFICATIONS
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
helix_angle23.2158 DEGREES
pitch_diameter3.1420 INCHES NOMINAL IN
pressure_angle18.3666 DEGREES
teeth_quantity22
hardness_rating58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
tooth_directionRIGHT
face_nominal_width1.531 INCHES IN
backlash_designationGRADE A
bore_nominal_diameter2.1645 INCHES BOTH ENDS IN
nominal_outside_diameter3.359 INCHES IN
NSN3020-00-090-5840
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 01770-0183 MFR GEAR,HELICAL
KEY FEATURES
•
BORE NOMINAL DIAMETER: 2.1645 INCHES BOTH ENDS IN
•
HELIX ANGLE: 23.2158 DEGREES
•
BACKLASH DESIGNATION: GRADE A
•
TEETH QUANTITY: 22
•
TOOTH DIRECTION: RIGHT
•
BORE STYLE: PLAIN BOTH ENDS
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
•
PITCH DIAMETER: 3.1420 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER2.1645 INCHES BOTH ENDS IN
HELIX ANGLE23.2158 DEGREES
BACKLASH DESIGNATIONGRADE A
TEETH QUANTITY22
TOOTH DIRECTIONRIGHT
BORE STYLEPLAIN BOTH ENDS
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
PITCH DIAMETER3.1420 INCHES NOMINAL IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER3.359 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
208500Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 01770-0183?
01770-0183 is a GEAR,HELICAL.
What parts can replace 01770-0183?
There is 1 known substitute for 01770-0183: 208500. Substitute compatibility should be verified for your specific system.
What is the NSN for 01770-0183?
01770-0183 is cataloged in the U.S. Government catalog under NSN 3020-00-090-5840. 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.