PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WS-10Washer,key

Whittet-Higgins Company · NSN 5310-01-468-5548 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-468-5548 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-468-5548. Primary manufacturer part number: WS-10.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 1.992 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN
  • External Prebent Key Width: 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
  • External Prebent Key Angle: 45.0 DEGREES NOMINAL
  • Material: STEEL COMP 304 OVERALL
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Distance From Centerline to Top of Internal Key: 0.901 INCHES NOMINAL IN
  • Outside Diameter: 2.438 INCHES MINIMUM AND 2.468 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-01-468-5548, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Whittet-Higgins Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5310-01-468-5548
Primary Part NumberWS-10
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWhittet-Higgins Company
StatusACTIVE
Hole Diameter1.992 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN
External Prebent Key Width0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
External Prebent Key Angle45.0 DEGREES NOMINAL
MaterialSTEEL COMP 304 OVERALL
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Distance From Centerline to Top of Internal Key0.901 INCHES NOMINAL IN
Outside Diameter2.438 INCHES MINIMUM AND 2.468 INCHES MAXIMUM IN
Material Thickness0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Style DesignatorKEY
Internal Straight Key Width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
External Key Quantity13
Overall Distance Including Keys2.906 INCHES MINIMUM AND 2.922 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3439-01-049-9458 INTERCHANGEABLE
Tip,desoldering
5110-01-231-5711901-5 INTERCHANGEABLE
Tool,stripping
Amphenol Corporation Div Amphenol Rf
6625-01-520-3633G710386-2 INTERCHANGEABLE
Wave Form Synthesizer
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
A309791 Control Flow, Inc. Dba Control Flow Inc (USA)
WS-10 PRIMARY Whittet-Higgins Company (USA)
A309791 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
Related Parts
3439-01-049-9458INTERCHANGEABLE
TIP,DESOLDERING
5110-01-231-5711INTERCHANGEABLE
TOOL,STRIPPING
901-5
6625-01-520-3633INTERCHANGEABLE
WAVE FORM SYNTHESIZER
G710386-2

Frequently Asked Questions

What is NSN 5310-01-468-5548?

NSN 5310-01-468-5548 is a Washer,key, manufactured by Whittet-Higgins Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-468-5548?

NSN 5310-01-468-5548 has 3 cross-referenced part numbers: A309791 (Control Flow, Inc. Dba Control Flow Inc), WS-10 (Whittet-Higgins Company), A309791 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division).

What NSN replaces 5310-01-468-5548?

There are 3 known substitutes for 5310-01-468-5548: 3439-01-049-9458, 5110-01-231-5711, 6625-01-520-3633. Verify interchangeability with system specifications before substitution.

What are the specifications of WS-10?

Key specifications for WS-10: Hole Diameter: 1.992 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN; External Prebent Key Width: 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; External Prebent Key Angle: 45.0 DEGREES NOMINAL; Material: STEEL COMP 304 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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