PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

149546Washer,key

Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division · NSN 5310-00-209-2661 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-2661 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-2661. Primary manufacturer part number: 149546.
Features
  • Washer,key — FSC 5310
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.880 INCHES NOMINAL IN
  • External Key Quantity: 2
  • Outside Diameter: 1.336 INCHES NOMINAL IN
  • Overall Distance Including Keys: 1.435 INCHES MINIMUM AND 1.445 INCHES MAXIMUM IN
  • External Straight Key Width: 0.115 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1095 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-209-2661, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-209-2661
Primary Part Number149546
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
StatusACTIVE
Material Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.880 INCHES NOMINAL IN
External Key Quantity2
Outside Diameter1.336 INCHES NOMINAL IN
Overall Distance Including Keys1.435 INCHES MINIMUM AND 1.445 INCHES MAXIMUM IN
External Straight Key Width0.115 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Style DesignatorKEY
MaterialSTEEL COMP 1095 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-060359412 INTERCHANGEABLE
Cup,tapered Roller Bearing
Kenworth Truck Co a Div of Paccar Inc
2810-00-109-2629149546 INTERCHANGEABLE
Poppet Valve
Curtiss-Wright Controls, Inc. Div Actuation Division
5961-01-117-8034 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
149546 PRIMARY Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA)
Related Parts
3110-00-100-0603INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
59412
2810-00-109-2629INTERCHANGEABLE
POPPET VALVE
149546
5961-01-117-8034INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5310-00-209-2661?

NSN 5310-00-209-2661 is a Washer,key, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-2661?

NSN 5310-00-209-2661 has 1 cross-referenced part number: 149546 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).

What NSN replaces 5310-00-209-2661?

There are 3 known substitutes for 5310-00-209-2661: 3110-00-100-0603, 2810-00-109-2629, 5961-01-117-8034. Verify interchangeability with system specifications before substitution.

What are the specifications of 149546?

Key specifications for 149546: Material Thickness: 0.031 INCHES NOMINAL IN; Hole Diameter: 0.880 INCHES NOMINAL IN; External Key Quantity: 2; Outside Diameter: 1.336 INCHES NOMINAL IN. 9 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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