PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W07Washer,key

Waterous Company · NSN 5310-00-178-8463 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-178-8463 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-178-8463. Primary manufacturer part number: W07.
Features
  • Washer,key — FSC 5310
  • Internal Prebent Key Width: 0.165 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: KEY
  • Overall Distance Including Keys: 2.225 INCHES NOMINAL IN
  • Internal Prebent Key Length: 0.132 INCHES NOMINAL IN
  • Hole Diameter: 1.155 INCHES NOMINAL IN
  • External Prebent Key Width: 0.161 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-178-8463, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waterous Company. Government technical data includes 10 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-178-8463
Primary Part NumberW07
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWaterous Company
StatusACTIVE
Internal Prebent Key Width0.165 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorKEY
Overall Distance Including Keys2.225 INCHES NOMINAL IN
Internal Prebent Key Length0.132 INCHES NOMINAL IN
Hole Diameter1.155 INCHES NOMINAL IN
External Prebent Key Width0.161 INCHES NOMINAL IN
External Key Quantity15
Outside Diameter1.820 INCHES NOMINAL IN
Material Thickness0.043 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-186-0966 INTERCHANGEABLE
Washer,key
5310-00-186-1032 INTERCHANGEABLE
Washer,key
5310-01-089-34663820-W-07R002A INTERCHANGEABLE
Washer
Circor Naval Solutions Llc Dba Warren Pumps
5310-01-105-9389 INTERCHANGEABLE
Washer,key
5310-01-134-0207 INTERCHANGEABLE
Washer,key
5310-01-350-73323602127 INTERCHANGEABLE
Washer,lock
W S Darley & Co
Cross-Reference Index
Part NumberManufacturer
W07 PRIMARY Waterous Company (USA)
Related Parts
5310-00-186-0966INTERCHANGEABLE
WASHER,KEY
5310-00-186-1032INTERCHANGEABLE
WASHER,KEY
5310-01-089-3466INTERCHANGEABLE
WASHER
3820-W-07R002A
5310-01-105-9389INTERCHANGEABLE
WASHER,KEY
5310-01-134-0207INTERCHANGEABLE
WASHER,KEY
5310-01-350-7332INTERCHANGEABLE
WASHER,LOCK
3602127

Frequently Asked Questions

What is NSN 5310-00-178-8463?

NSN 5310-00-178-8463 is a Washer,key, manufactured by Waterous Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-178-8463?

NSN 5310-00-178-8463 has 1 cross-referenced part number: W07 (Waterous Company).

What NSN replaces 5310-00-178-8463?

There are 6 known substitutes for 5310-00-178-8463: 5310-00-186-0966, 5310-00-186-1032, 5310-01-089-3466 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W07?

Key specifications for W07: Internal Prebent Key Width: 0.165 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: KEY; Overall Distance Including Keys: 2.225 INCHES NOMINAL IN. 10 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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