PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27561Gear,antibacklash,spur

Elbitamerica, Inc. · NSN 3020-01-366-3905 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-366-3905 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-366-3905. Primary manufacturer part number: 27561.
Features
  • Gear,antibacklash,spur — FSC 3020
  • Style Designator: PROTRUDING HUBS
  • Hub Style Designator: PLAIN SECOND END
  • Hub Style Designator: SPLIT FIRST END
  • 1 verified cross-reference
  • Primary manufacturer: Elbitamerica, Inc.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-366-3905, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 3 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-366-3905
Primary Part Number27561
Item NameGear,antibacklash,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Style DesignatorPROTRUDING HUBS
Hub Style DesignatorPLAIN SECOND END
Hub Style DesignatorSPLIT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1015-00-047-41327974827 INTERCHANGEABLE
Valve Assembly,pres
U S Army Tank Automotive Command Amsta-Im-Mm
2590-00-499-98506550X3 INTERCHANGEABLE
Piston
David Brown Hydraulics Inc Dba Hydreco
6685-00-585-1141 INTERCHANGEABLE
Gage,pressure,dial Indicating
3120-01-187-958127561 INTERCHANGEABLE
Bushing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5330-01-270-832727561 INTERCHANGEABLE
Gasket
Landoll Company, Llc
3950-01-391-9881 INTERCHANGEABLE
Parts Kit,hoist,chain
3040-01-457-9211 INTERCHANGEABLE
Shaft Assembly,flexible
5305-01-548-474529936 INTERCHANGEABLE
Screw,cap,hexagon Head
Eagle Components, Inc
5305-01-580-7480 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-611-849527561 INTERCHANGEABLE
Screw,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
27561 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
1015-00-047-4132INTERCHANGEABLE
VALVE ASSEMBLY,PRES
7974827
2590-00-499-9850INTERCHANGEABLE
PISTON
6550X3
6685-00-585-1141INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3120-01-187-9581INTERCHANGEABLE
BUSHING,SLEEVE
27561
5330-01-270-8327INTERCHANGEABLE
GASKET
27561
3950-01-391-9881INTERCHANGEABLE
PARTS KIT,HOIST,CHAIN
3040-01-457-9211INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
5305-01-548-4745INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
29936
5305-01-580-7480INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-611-8495INTERCHANGEABLE
SCREW,MACHINE
27561

Frequently Asked Questions

What is NSN 3020-01-366-3905?

NSN 3020-01-366-3905 is a Gear,antibacklash,spur, manufactured by Elbitamerica, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-366-3905?

NSN 3020-01-366-3905 has 1 cross-referenced part number: 27561 (Elbitamerica, Inc.).

What NSN replaces 3020-01-366-3905?

There are 10 known substitutes for 3020-01-366-3905: 1015-00-047-4132, 2590-00-499-9850, 6685-00-585-1141 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27561?

Key specifications for 27561: Style Designator: PROTRUDING HUBS; Hub Style Designator: PLAIN SECOND END; Hub Style Designator: SPLIT FIRST END. 3 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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