PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27690Gear,spur

Williams International Co., L.l.c. · NSN 3020-01-129-4692 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-129-4692 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-129-4692. Primary manufacturer part number: 27690.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: 1 STEP BOTH ENDS
  • Bore Style: INVOLUTE SPLINE BOTH ENDS
  • Style Designator: PROTRUDING HUBS
  • 3 verified cross-references
  • Primary manufacturer: Williams International Co., L.l.c.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-129-4692, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3020-01-129-4692
Primary Part Number27690
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Hub Style Designator1 STEP BOTH ENDS
Bore StyleINVOLUTE SPLINE BOTH ENDS
Style DesignatorPROTRUDING HUBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-355627690 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4310-00-580-2668 INTERCHANGEABLE
Compressor,rotary
5950-01-079-3250SM-C-852258 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
27690 Eastern Gear Corporation (USA)
27690 PRIMARY Williams International Co., L.l.c. (USA)
27690 Galbraith C C and Son Inc (USA)
Related Parts
3110-00-100-3556INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
27690
4310-00-580-2668INTERCHANGEABLE
COMPRESSOR,ROTARY
5950-01-079-3250INTERCHANGEABLE
REACTOR
SM-C-852258

Frequently Asked Questions

What is NSN 3020-01-129-4692?

NSN 3020-01-129-4692 is a Gear,spur, manufactured by Williams International Co., L.l.c., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-129-4692?

NSN 3020-01-129-4692 has 3 cross-referenced part numbers: 27690 (Eastern Gear Corporation), 27690 (Williams International Co., L.l.c.), 27690 (Galbraith C C and Son Inc).

What NSN replaces 3020-01-129-4692?

There are 3 known substitutes for 3020-01-129-4692: 3110-00-100-3556, 4310-00-580-2668, 5950-01-079-3250. Verify interchangeability with system specifications before substitution.

What are the specifications of 27690?

Key specifications for 27690: End Item Identification: F107-101 ACFT; Hub Style Designator: 1 STEP BOTH ENDS; Bore Style: INVOLUTE SPLINE BOTH ENDS; Style Designator: PROTRUDING HUBS. 4 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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