PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3804Gear,spur

Instruments and Flight Research, Inc. · NSN 3020-00-396-1304 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-396-1304 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-396-1304. Primary manufacturer part number: 3804.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.2500 INCHES NOMINAL IN
  • Style Designator: HUBLESS
  • Mounting Hole Nominal Thread Size: 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Nominal Outside Diameter: 0.292 INCHES IN
  • Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Backlash Designation: GRADE C
  • Face Nominal Width: 0.281 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-396-1304, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Instruments and Flight Research, Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3020-00-396-1304
Primary Part Number3804
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Pitch Diameter0.2500 INCHES NOMINAL IN
Style DesignatorHUBLESS
Mounting Hole Nominal Thread Size0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Nominal Outside Diameter0.292 INCHES IN
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Backlash DesignationGRADE C
Face Nominal Width0.281 INCHES IN
MaterialSTEEL COMP 416 OVERALL
Bore StylePLAIN BOTH ENDS
Precision ClassificationQUALITY NUMBER 10
Material Document and ClassificationQQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Tooth FormSTANDARD
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Pressure Angle14.5000 DEGREES
Mounting Hole Nominal Diameter0.029 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Furnished Items and Quantity1 SETSCREW
Mounting Hole Type and Quantity1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Attachment MethodMOUNTING HOLE
Teeth Quantity12
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-070-6921380-4 INTERCHANGEABLE
Valve,globe
Admiral Valve Llc Dba Cpv Manufacturing
5305-00-356-411747025 INTERCHANGEABLE
Setscrew
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-498-83013804 INTERCHANGEABLE
Transformer,power
Sartron, Inc
4730-00-570-6948380-4 INTERCHANGEABLE
Strainer,sediment
Teleweld Inc
5975-00-835-22135323 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
4730-00-954-951030182-6-6S INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5950-01-048-97123804 INTERCHANGEABLE
Transformer,power
Ross Laboratories, Inc.
7510-01-133-2595 INTERCHANGEABLE
Tape,embossing
6515-01-145-05193804 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
9340-01-409-1364B129-02-ABS INTERCHANGEABLE
Window,observation
John G Papailias Co Inc Dba J G Papailias
Cross-Reference Index
Part NumberManufacturer
3804 PRIMARY Instruments and Flight Research, Inc. (USA)
Related Parts
4820-00-070-6921INTERCHANGEABLE
VALVE,GLOBE
380-4
5305-00-356-4117INTERCHANGEABLE
SETSCREW
47025
5950-00-498-8301INTERCHANGEABLE
TRANSFORMER,POWER
3804
4730-00-570-6948INTERCHANGEABLE
STRAINER,SEDIMENT
380-4
5975-00-835-2213INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5323
4730-00-954-9510INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
30182-6-6S
5950-01-048-9712INTERCHANGEABLE
TRANSFORMER,POWER
3804
7510-01-133-2595INTERCHANGEABLE
TAPE,EMBOSSING
6515-01-145-0519INTERCHANGEABLE
BAG,OSTOMY
3804
9340-01-409-1364INTERCHANGEABLE
WINDOW,OBSERVATION
B129-02-ABS
6515-01-503-1875INTERCHANGEABLE
SCISSORS,GENERAL SURGICAL
3804
5360-01-549-6913INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
3804

Frequently Asked Questions

What is NSN 3020-00-396-1304?

NSN 3020-00-396-1304 is a Gear,spur, manufactured by Instruments and Flight Research, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-396-1304?

NSN 3020-00-396-1304 has 1 cross-referenced part number: 3804 (Instruments and Flight Research, Inc.).

What NSN replaces 3020-00-396-1304?

There are 12 known substitutes for 3020-00-396-1304: 4820-00-070-6921, 5305-00-356-4117, 5950-00-498-8301 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3804?

Key specifications for 3804: Pitch Diameter: 0.2500 INCHES NOMINAL IN; Style Designator: HUBLESS; Mounting Hole Nominal Thread Size: 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN; Nominal Outside Diameter: 0.292 INCHES IN. 22 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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