PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A206-2Gear,antibacklash,spur

Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc · NSN 3020-00-836-6158 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-836-6158 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-836-6158. Primary manufacturer part number: A206-2.
Features
  • Gear,antibacklash,spur — FSC 3020
  • Material Document and Classification: QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Nominal Outside Diameter: 1.6250 INCHES IN
  • Surface Treatment: PASSIVATE HUB
  • Nominal Distance Between Body Face and Protruding Hub End: 0.260 INCHES FIRST END IN
  • Surface Treatment Document and Classification: MIL-STD-171,FINISH 1.1.1.1 MIL STD SINGLE TREATMENT RESPONSE HUB
  • Material: STEEL HUB
  • Precision Classification: QUALITY NUMBER 10
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Hub construction
General Description

The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-836-6158, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-836-6158
Primary Part NumberA206-2
Item NameGear,antibacklash,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTechnical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
StatusACTIVE
Material Document and ClassificationQQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Nominal Outside Diameter1.6250 INCHES IN
Surface TreatmentPASSIVATE HUB
Nominal Distance Between Body Face and Protruding Hub End0.260 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-STD-171,FINISH 1.1.1.1 MIL STD SINGLE TREATMENT RESPONSE HUB
MaterialSTEEL HUB
Precision ClassificationQUALITY NUMBER 10
Teeth Quantity115
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Surface TreatmentANODIZE BODY
MaterialALUMINUM ALLOY 2024 BODY
Pitch Diameter1.5972 INCHES NOMINAL IN
Hub Style DesignatorPINNED FIRST END
Pressure Angle20.0000 DEGREES
Surface Treatment Document and ClassificationMIL-STD-171,FINISH 7.1.2 MIL STD SINGLE TREATMENT RESPONSE BODY
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.375 INCHES FIRST END IN
Material Document and ClassificationQQ-S-763,CLASS 7,TYPE A FED SPEC SINGLE MATERIAL RESPONSE HUB
Face Nominal Width0.120 INCHES IN
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-775-58497755849 INTERCHANGEABLE
Retainer,electrical Connector
U S Army Tank Automotive Command Amsta-Im-Mm
5826-00-924-8055A206 INTERCHANGEABLE
Box Assy
Lockheed Martin Corp
8030-01-042-9485A-206 INTERCHANGEABLE
Foam,polyurethane
Stepan Company
5999-01-192-842774J119089-109 INTERCHANGEABLE
Shielding Gasket,electronic
The Boeing Company Div Defense
6110-01-220-7782A-2062 INTERCHANGEABLE
Panel,power Distribution
Te Connectivity Corporation
5130-01-328-3071A206-375 INTERCHANGEABLE
Riveter,yoke,pneumatic
Huck International, Inc. Div Kingston Operations
3010-01-365-6905A-211 INTERCHANGEABLE
Yoke Assembly,clutc
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5315-01-377-6436 INTERCHANGEABLE
Pin,cotter
8145-01-732-8356A206 INTERCHANGEABLE
Box,shipping and Storage
D-2 Incorporated
Cross-Reference Index
Part NumberManufacturer
SC874-2 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
A206-2 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
A206-2 PRIMARY Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
A206 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
SC874-2 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
Related Parts
5935-00-775-5849INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
7755849
5826-00-924-8055INTERCHANGEABLE
BOX ASSY
A206
8030-01-042-9485INTERCHANGEABLE
FOAM,POLYURETHANE
A-206
5999-01-192-8427INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
74J119089-109
6110-01-220-7782INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
A-2062
5130-01-328-3071INTERCHANGEABLE
RIVETER,YOKE,PNEUMATIC
A206-375
3010-01-365-6905INTERCHANGEABLE
YOKE ASSEMBLY,CLUTC
A-211
5315-01-377-6436INTERCHANGEABLE
PIN,COTTER
8145-01-732-8356INTERCHANGEABLE
BOX,SHIPPING AND STORAGE
A206

Frequently Asked Questions

What is NSN 3020-00-836-6158?

NSN 3020-00-836-6158 is a Gear,antibacklash,spur, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-836-6158?

NSN 3020-00-836-6158 has 5 cross-referenced part numbers: SC874-2 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), A206-2 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), A206-2 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), A206 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), SC874-2 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp).

What NSN replaces 3020-00-836-6158?

There are 9 known substitutes for 3020-00-836-6158: 5935-00-775-5849, 5826-00-924-8055, 8030-01-042-9485 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A206-2?

Key specifications for A206-2: Material Document and Classification: QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY; Nominal Outside Diameter: 1.6250 INCHES IN; Surface Treatment: PASSIVATE HUB; Nominal Distance Between Body Face and Protruding Hub End: 0.260 INCHES FIRST END IN. 21 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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