PartsTable TECHNICAL DATA SHEET
NSN 3020-00-366-3217Government record, cited

Gear, Spur3020-00-366-3217

NSN 3020-00-366-3217 · NIIN 003663217 · Part number 204770
Woodward, Inc. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 31361
Government record, cited
NSN 3020-00-366-3217 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-366-3217. Manufacturer of record part number: 204770.
Also searched as  3020-00-366-3217 · 3020003663217 · NIIN 003663217 · 00-366-3217 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 31361 · 204770 · 8152070 · 36694-209 · 82539-185
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN
  • Teeth Quantity: 11
  • Body Style: PLAIN, SOLID
  • Bore Style: PLAIN BOTH ENDS
  • Style Designator: HUBLESS
  • Pitch Diameter: 1.0000 INCHES NOMINAL IN
  • Tooth Form: SPECIAL
Identification
  • NSN: 3020-00-366-3217
  • NIIN: 003663217
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 204770
  • Manufacturer: Woodward, Inc.
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-366-3217, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Woodward, Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-366-3217
Primary Part Number204770
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerWoodward, Inc.
StatusACTIVE
Bore Nominal Diameter0.500 INCHES BOTH ENDS IN
Teeth Quantity11
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Style DesignatorHUBLESS
Pitch Diameter1.0000 INCHES NOMINAL IN
Tooth FormSPECIAL
Nominal Outside Diameter1.125 INCHES IN
Pressure Angle28.0000 DEGREES
MaterialSTEEL OVERALL
Face Nominal Width0.562 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1430-00-932-49495204-770000 POSSIBLE MATCH
COVER SHELL
Possible match (shared part number)Aerocontrolex Group, Inc.
5331-01-271-5781204770 POSSIBLE MATCH
O-RING
Possible match (shared part number)Dutton-Lainson Company
3040-01-339-1602204770-1 POSSIBLE MATCH
WEIGHT,COUNTERBALANCE
Possible match (shared part number)Aerosonic Llc
3040-01-343-8523204770-2 POSSIBLE MATCH
WEIGHT,COUNTERBALANCE
Possible match (shared part number)Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
36694-209 Woodward, Inc. (USA)
204770 PRIMARY Woodward, Inc. (USA)
Reference documents
ReferenceMeaning
8152070 5/9 Secondary reference
General Motors Corp Electro-Motive Div
204770 5/9 Secondary reference
Woodward, Inc. Div Fuel Systems and Controls
82539-185 5/9 Secondary reference
Woodward, Inc.
Related Parts
1430-00-932-4949POSSIBLE MATCH
COVER SHELL
5204-770000
5331-01-271-5781POSSIBLE MATCH
O-RING
204770
3040-01-339-1602POSSIBLE MATCH
WEIGHT,COUNTERBALANCE
204770-1
3040-01-343-8523POSSIBLE MATCH
WEIGHT,COUNTERBALANCE
204770-2

Frequently Asked Questions

What is NSN 3020-00-366-3217?

NSN 3020-00-366-3217 is a Gear,spur, manufactured by Woodward, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-366-3217?

NSN 3020-00-366-3217 has 2 manufacturer part numbers on file: 36694-209 (Woodward, Inc.), 204770 (Woodward, Inc.).

What NSN replaces 3020-00-366-3217?

4 possible matches (shared part number, not a government interchangeability claim): 1430-00-932-4949, 5331-01-271-5781, 3040-01-339-1602. Verify interchangeability with system specifications before substitution.

What are the specifications of 204770?

Key specifications for 204770: Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Teeth Quantity: 11; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-366-3217 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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