PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R21-96Gear,spur

Designatronics Incorporated Div Sterling Instruments Div · NSN 3020-01-116-3876 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-116-3876 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-116-3876. Primary manufacturer part number: R21-96.
Features
  • Gear,spur — FSC 3020
  • Material Document and Classification: QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN
  • Precision Classification: QUALITY NUMBER 10
  • Material: STEEL COMP 303 OVERALL
  • Teeth Quantity: 96
  • Face Nominal Width: 0.125 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-116-3876, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-116-3876
Primary Part NumberR21-96
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusACTIVE
Material Document and ClassificationQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10
MaterialSTEEL COMP 303 OVERALL
Teeth Quantity96
Face Nominal Width0.125 INCHES IN
Pressure Angle20.0000 DEGREES
Hub Style DesignatorSPLIT FIRST END
Hub Nominal Diameter0.312 INCHES FIRST END IN
Surface Treatment Document and ClassificationQQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Outside Diameter2.041 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUB
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Pitch Diameter1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
Nominal Distance Between Body Face and Protruding Hub End0.281 INCHES FIRST END IN
Attachment MethodCLAMP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-01-086-0044H-196 INTERCHANGEABLE
Transformer,power
Payne Magnetics, Inc.
5330-01-126-6730100858 INTERCHANGEABLE
Gasket
Prc Composites, Llc Dba Globe Plastics
6105-01-313-2542H196 INTERCHANGEABLE
Motor,alternating Current
A. O. Smith Corporation Dba a O Smith Corp
Cross-Reference Index
Part NumberManufacturer
10085811 Nimikkeistokeskus Ncb Finland (FIN)
R21-96 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
13027295 Us Army Aviation and Missile Command (USA)
H1-96 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
1001631-10 Raytheon Technical Services Company (USA)
1001631-10 PRIMARY Cae Usa Inc. (USA)
DH1T96 Allied Devices Corp Dba Absolute Precision Co (USA)
C48S18-96 W. M. Berg, Inc. (USA)
Related Parts
5950-01-086-0044INTERCHANGEABLE
TRANSFORMER,POWER
H-196
5330-01-126-6730INTERCHANGEABLE
GASKET
100858
6105-01-313-2542INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
H196

Frequently Asked Questions

What is NSN 3020-01-116-3876?

NSN 3020-01-116-3876 is a Gear,spur, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-116-3876?

NSN 3020-01-116-3876 has 8 cross-referenced part numbers: 10085811 (Nimikkeistokeskus Ncb Finland), R21-96 (Designatronics Incorporated Div Sterling Instruments Div), 13027295 (Us Army Aviation and Missile Command), H1-96 (Roller Bearing Co of America, Inc Div Pic Design), 1001631-10 (Raytheon Technical Services Company) and 3 more.

What NSN replaces 3020-01-116-3876?

There are 3 known substitutes for 3020-01-116-3876: 5950-01-086-0044, 5330-01-126-6730, 6105-01-313-2542. Verify interchangeability with system specifications before substitution.

What are the specifications of R21-96?

Key specifications for R21-96: Material Document and Classification: QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Bore Style: PLAIN BOTH ENDS; Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN; Precision Classification: QUALITY NUMBER 10. 20 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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