PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W11STAINLESSSTEELWasher,key

The Timken Corporation · NSN 5310-00-198-2911 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-198-2911 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-198-2911. Primary manufacturer part number: W11STAINLESSSTEEL.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN
  • Style Designator: KEY
  • Material Document and Classification: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
  • Internal Prebent Key Length: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
  • Material Thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-198-2911, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5310-00-198-2911
Primary Part NumberW11STAINLESSSTEEL
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Hole Diameter2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN
Style DesignatorKEY
Material Document and ClassificationFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
Internal Prebent Key Length0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Material Thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Outside Diameter2.656 INCHES MINIMUM AND 2.686 INCHES MAXIMUM IN
External Prebent Key Width0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
External Key Quantity17
Overall Distance Including Keys3.109 INCHES MAXIMUM IN
Internal Prebent Key Width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-186-0968 INTERCHANGEABLE
Washer,key
Cross-Reference Index
Part NumberManufacturer
W11STAINLESSSTEEL The Timken Corporation (USA)
3262163 General Motors Corp Electro-Motive Div (USA)
12Z10002-12 Zf Industrieantriebe Witten Gmbh (DEU)
3262163 Hatch & Kirk, Inc. (USA)
MIL-W-21338A American Society for Testing and Materials Dba Astm International (USA)
MS19070-113 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-186-0968INTERCHANGEABLE
WASHER,KEY

Frequently Asked Questions

What is NSN 5310-00-198-2911?

NSN 5310-00-198-2911 is a Washer,key, manufactured by The Timken Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-198-2911?

NSN 5310-00-198-2911 has 6 cross-referenced part numbers: W11STAINLESSSTEEL (The Timken Corporation), 3262163 (General Motors Corp Electro-Motive Div), 12Z10002-12 (Zf Industrieantriebe Witten Gmbh), 3262163 (Hatch & Kirk, Inc.), MIL-W-21338A (American Society for Testing and Materials Dba Astm International) and 1 more.

What NSN replaces 5310-00-198-2911?

There is 1 known substitute for 5310-00-198-2911: 5310-00-186-0968. Verify interchangeability with system specifications before substitution.

What are the specifications of W11STAINLESSSTEEL?

Key specifications for W11STAINLESSSTEEL: Hole Diameter: 2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL; Surface Treatment: PASSIVATE OVERALL. 12 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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