PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

888737-62Washer,key

Westinghouse Electric Corp · NSN 5310-00-186-1092 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-186-1092 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-186-1092. Primary manufacturer part number: 888737-62.
Features
  • Washer,key — FSC 5310
  • External Key Quantity: 19
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
  • Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Style Designator: KEY
  • Outside Diameter: 3.063 INCHES MINIMUM AND 3.093 INCHES MAXIMUM IN
  • Internal Prebent Key Length: 0.125 INCHES MINIMUM AND 0.156 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 5310-00-186-1092, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-186-1092
Primary Part Number888737-62
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
External Key Quantity19
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
Internal Prebent Key Width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Style DesignatorKEY
Outside Diameter3.063 INCHES MINIMUM AND 3.093 INCHES MAXIMUM IN
Internal Prebent Key Length0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Hole Diameter2.588 INCHES MINIMUM AND 2.613 INCHES MAXIMUM IN
Overall Distance Including Keys3.578 INCHES NOMINAL IN
Material Thickness0.063 INCHES NOMINAL IN
External Prebent Key Width0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-008-5904 INTERCHANGEABLE
Washer,key
5310-00-150-3963 INTERCHANGEABLE
Washer,key
5310-00-151-5545 INTERCHANGEABLE
Washer,key
5310-00-159-6282 INTERCHANGEABLE
Washer,key
5310-00-159-6283 INTERCHANGEABLE
Washer,key
5310-00-159-6495 INTERCHANGEABLE
Washer,key
5310-00-165-8392 INTERCHANGEABLE
Washer,key
5310-00-177-7684 INTERCHANGEABLE
Washer,key
5310-00-186-0966 INTERCHANGEABLE
Washer,key
5310-00-186-0980 INTERCHANGEABLE
Washer,key
Cross-Reference Index
Part NumberManufacturer
0048694 New Holland Construction (USA)
0048694-4 New Holland Construction (USA)
MILW21338 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TYPE1CLASS4SIZE13 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
888737-62 PRIMARY Westinghouse Electric Corp (USA)
048694 New Holland Construction (USA)
W13STAINLESSSTEEL PRIMARY The Timken Corporation (USA)
888737-62 Westinghouse Electric Corp Power Generation-Generator Div (USA)
Related Parts
5310-00-008-5904INTERCHANGEABLE
WASHER,KEY
5310-00-150-3963INTERCHANGEABLE
WASHER,KEY
5310-00-151-5545INTERCHANGEABLE
WASHER,KEY
5310-00-159-6282INTERCHANGEABLE
WASHER,KEY
5310-00-159-6283INTERCHANGEABLE
WASHER,KEY
5310-00-159-6495INTERCHANGEABLE
WASHER,KEY
5310-00-165-8392INTERCHANGEABLE
WASHER,KEY
5310-00-177-7684INTERCHANGEABLE
WASHER,KEY
5310-00-186-0966INTERCHANGEABLE
WASHER,KEY
5310-00-186-0980INTERCHANGEABLE
WASHER,KEY
5310-00-186-0999INTERCHANGEABLE
WASHER,KEY
12Z10002-8
5310-00-186-1071INTERCHANGEABLE
WASHER,KEY

Frequently Asked Questions

What is NSN 5310-00-186-1092?

NSN 5310-00-186-1092 is a Washer,key, manufactured by Westinghouse Electric Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-186-1092?

NSN 5310-00-186-1092 has 8 cross-referenced part numbers: 0048694 (New Holland Construction), 0048694-4 (New Holland Construction), MILW21338 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TYPE1CLASS4SIZE13 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 888737-62 (Westinghouse Electric Corp) and 3 more.

What NSN replaces 5310-00-186-1092?

There are 12 known substitutes for 5310-00-186-1092: 5310-00-008-5904, 5310-00-150-3963, 5310-00-151-5545 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 888737-62?

Key specifications for 888737-62: External Key Quantity: 19; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL; Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. 11 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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