PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

189557Washer,lock

Woodward, Inc. Div Fuel Systems and Controls · NSN 5310-00-886-5432 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-886-5432 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-886-5432. Primary manufacturer part number: 189557.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL OVERALL
  • Outside Diameter: 0.422 INCHES NOMINAL IN
  • Hole Diameter: 0.266 INCHES NOMINAL IN
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Woodward, Inc. Div Fuel Systems and Controls
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-886-5432, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-886-5432
Primary Part Number189557
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL OVERALL
Outside Diameter0.422 INCHES NOMINAL IN
Hole Diameter0.266 INCHES NOMINAL IN
Material Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-475-3128N-11 INTERCHANGEABLE
Nut,self-Locking,round
Whittet-Higgins Company
Cross-Reference Index
Part NumberManufacturer
189557 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
189557 Woodward, Inc. (USA)
Related Parts
5310-01-475-3128INTERCHANGEABLE
NUT,SELF-LOCKING,ROUND
N-11

Frequently Asked Questions

What is NSN 5310-00-886-5432?

NSN 5310-00-886-5432 is a Washer,lock, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-886-5432?

NSN 5310-00-886-5432 has 2 cross-referenced part numbers: 189557 (Woodward, Inc. Div Fuel Systems and Controls), 189557 (Woodward, Inc.).

What NSN replaces 5310-00-886-5432?

There is 1 known substitute for 5310-00-886-5432: 5310-01-475-3128. Verify interchangeability with system specifications before substitution.

What are the specifications of 189557?

Key specifications for 189557: Style Designator: SPLIT HELICAL-RIGHT HAND; Material: STEEL OVERALL; Outside Diameter: 0.422 INCHES NOMINAL IN; Hole Diameter: 0.266 INCHES NOMINAL IN. 5 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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