PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3479-1Washer,keyway

Avox Systems Inc Dba Avox Systems Inc · NSN 5310-00-111-3778 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-111-3778 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-111-3778. Primary manufacturer part number: 3479-1.
Features
  • Washer,keyway — FSC 5310
  • Hole Diameter: 2.419 INCHES MINIMUM AND 2.425 INCHES MAXIMUM IN
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Internal Keyway Width: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Material: GRAPHITE OR PLASTIC OVERALL
  • Outside Diameter: 3.185 INCHES MINIMUM AND 3.191 INCHES MAXIMUM IN
  • Distance From Centerline to Bottom of Internal Keyway: 1.335 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Graphite or Plastic Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-111-3778, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-111-3778
Primary Part Number3479-1
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Hole Diameter2.419 INCHES MINIMUM AND 2.425 INCHES MAXIMUM IN
Material Thickness0.062 INCHES NOMINAL IN
Internal Keyway Width0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MaterialGRAPHITE OR PLASTIC OVERALL
Outside Diameter3.185 INCHES MINIMUM AND 3.191 INCHES MAXIMUM IN
Distance From Centerline to Bottom of Internal Keyway1.335 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5342-00-119-150954508 INTERCHANGEABLE
Lockplate
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4730-00-555-1726347918 INTERCHANGEABLE
Strainer Element,sediment
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5133-01-671-434334791 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
Cross-Reference Index
Part NumberManufacturer
3479-1 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5342-00-119-1509INTERCHANGEABLE
LOCKPLATE
54508
4730-00-555-1726INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
347918
5133-01-671-4343INTERCHANGEABLE
DRILL,TWIST
34791

Frequently Asked Questions

What is NSN 5310-00-111-3778?

NSN 5310-00-111-3778 is a Washer,keyway, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-111-3778?

NSN 5310-00-111-3778 has 1 cross-referenced part number: 3479-1 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 5310-00-111-3778?

There are 3 known substitutes for 5310-00-111-3778: 5342-00-119-1509, 4730-00-555-1726, 5133-01-671-4343. Verify interchangeability with system specifications before substitution.

What are the specifications of 3479-1?

Key specifications for 3479-1: Hole Diameter: 2.419 INCHES MINIMUM AND 2.425 INCHES MAXIMUM IN; Material Thickness: 0.062 INCHES NOMINAL IN; Internal Keyway Width: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Material: GRAPHITE OR PLASTIC OVERALL. 6 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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