PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39247Gear,spur

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3020-01-478-3503 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-478-3503 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-478-3503. Primary manufacturer part number: 39247.
Features
  • Gear,spur — FSC 3020
  • Material: STEEL CORROSION RESISTING OVERALL
  • Material Document and Classification: ASTM A564, ALLOY S17400, TY 630, COND 1075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Teeth Quantity: 16
  • 6 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-478-3503, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-478-3503
Primary Part Number39247
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Material Document and ClassificationASTM A564, ALLOY S17400, TY 630, COND 1075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Teeth Quantity16
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-01-111-870639247 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5315-01-199-6131 INTERCHANGEABLE
Pin,cotter
4320-01-477-937439253 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
4320-01-477-937639254 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
3040-01-478-337839249 INTERCHANGEABLE
Head,linear Actuating Cylinder
Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-478-338239250 INTERCHANGEABLE
Head,linear Actuating Cylinder
Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-478-338439251 INTERCHANGEABLE
Head,linear Actuating Cylinder
Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-478-338539252 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Electric Boat Corporation Div General Dynamics Electric Boat
3020-01-478-350539248 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
3040-01-478-362840014 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
41042-39245 Moog Inc. Dba Ampac-Isp Corp (USA)
39247 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
41042-39245 ITEM 2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
41042-39245 ITEM 2 Moog Inc. Dba Ampac-Isp Corp (USA)
41042-39245 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
39247 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
6680-01-111-8706INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
39247
5315-01-199-6131INTERCHANGEABLE
PIN,COTTER
4320-01-477-9374INTERCHANGEABLE
CYLINDER SLEEVE
39253
4320-01-477-9376INTERCHANGEABLE
CYLINDER SLEEVE
39254
3040-01-478-3378INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
39249
3040-01-478-3382INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
39250
3040-01-478-3384INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
39251
3040-01-478-3385INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
39252
3020-01-478-3505INTERCHANGEABLE
GEAR RACK
39248
3040-01-478-3628INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
40014
3040-01-478-3632INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
39256
3040-01-478-3707INTERCHANGEABLE
CAM,CONTROL
39450

Frequently Asked Questions

What is NSN 3020-01-478-3503?

NSN 3020-01-478-3503 is a Gear,spur, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-478-3503?

NSN 3020-01-478-3503 has 6 cross-referenced part numbers: 41042-39245 (Moog Inc. Dba Ampac-Isp Corp), 39247 (Electric Boat Corporation Div General Dynamics Electric Boat), 41042-39245 ITEM 2 (Electric Boat Corporation Div General Dynamics Electric Boat), 41042-39245 ITEM 2 (Moog Inc. Dba Ampac-Isp Corp), 41042-39245 (Electric Boat Corporation Div General Dynamics Electric Boat) and 1 more.

What NSN replaces 3020-01-478-3503?

There are 12 known substitutes for 3020-01-478-3503: 6680-01-111-8706, 5315-01-199-6131, 4320-01-477-9374 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39247?

Key specifications for 39247: Material: STEEL CORROSION RESISTING OVERALL; Material Document and Classification: ASTM A564, ALLOY S17400, TY 630, COND 1075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: PINION; End Item Identification: ROTARY HYDRAULIC ACTUATOR, MODEL 41042; SEAWOLF. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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