PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9999Gear,spur

Whittaker Corp Whittaker Electronic Systems Div · NSN 3020-00-977-9327 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-977-9327 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-977-9327. Primary manufacturer part number: 9999.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Pressure Angle: 20.0000 DEGREES
  • Nominal Outside Diameter: 1.042 INCHES IN
  • Style Designator: HUBLESS
  • Material: STEEL CORROSION RESISTING OVERALL
  • Tooth Form: STANDARD
  • Teeth Quantity: 48
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 3020-00-977-9327, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Whittaker Corp Whittaker Electronic Systems Div. Government technical data includes 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-977-9327
Primary Part Number9999
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWhittaker Corp Whittaker Electronic Systems Div
StatusACTIVE
Body StylePLAIN, SOLID
Pressure Angle20.0000 DEGREES
Nominal Outside Diameter1.042 INCHES IN
Style DesignatorHUBLESS
MaterialSTEEL CORROSION RESISTING OVERALL
Tooth FormSTANDARD
Teeth Quantity48
Pitch Diameter1.0000 INCHES NOMINAL IN
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Face Nominal Width0.125 INCHES IN
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5985-00-469-38743000-40 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
8115-00-559-99999999 INTERCHANGEABLE
Box,shipping
Connecticut Container Corp. Dba Connecticut Container Corp
3120-00-571-1100 INTERCHANGEABLE
Bearing Half,sleeve
5340-00-997-1397 INTERCHANGEABLE
Clamp Assembly
5130-01-060-436599-99 INTERCHANGEABLE
Nose Assembly,fastener Installat
Huck International, Inc. Div Kingston Operations
5420-01-175-6523 INTERCHANGEABLE
Transporter,floatin
6650-01-569-5575IM2750 INTERCHANGEABLE
Case,carrying,microscope
I. Miller Precision Optical Instruments, Inc.
Cross-Reference Index
Part NumberManufacturer
9999 Whittaker Corp Whittaker Electronic Systems Div (USA)
Related Parts
5985-00-469-3874INTERCHANGEABLE
COUPLER,DIRECTIONAL
3000-40
8115-00-559-9999INTERCHANGEABLE
BOX,SHIPPING
9999
3120-00-571-1100INTERCHANGEABLE
BEARING HALF,SLEEVE
5340-00-997-1397INTERCHANGEABLE
CLAMP ASSEMBLY
5130-01-060-4365INTERCHANGEABLE
NOSE ASSEMBLY,FASTENER INSTALLAT
99-99
5420-01-175-6523INTERCHANGEABLE
TRANSPORTER,FLOATIN
6650-01-569-5575INTERCHANGEABLE
CASE,CARRYING,MICROSCOPE
IM2750

Frequently Asked Questions

What is NSN 3020-00-977-9327?

NSN 3020-00-977-9327 is a Gear,spur, manufactured by Whittaker Corp Whittaker Electronic Systems Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-977-9327?

NSN 3020-00-977-9327 has 1 cross-referenced part number: 9999 (Whittaker Corp Whittaker Electronic Systems Div).

What NSN replaces 3020-00-977-9327?

There are 7 known substitutes for 3020-00-977-9327: 5985-00-469-3874, 8115-00-559-9999, 3120-00-571-1100 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9999?

Key specifications for 9999: Body Style: PLAIN, SOLID; Pressure Angle: 20.0000 DEGREES; Nominal Outside Diameter: 1.042 INCHES IN; Style Designator: HUBLESS. 11 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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