PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21047Washer,lock

Dresser Industries Inc Waukesha Engine Div · NSN 5310-00-470-6109 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-470-6109 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-470-6109. Primary manufacturer part number: 21047.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Outside Diameter: 0.858 INCHES NOMINAL IN
  • Material Thickness: 0.145 INCHES NOMINAL IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • 2 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Waukesha Engine Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-470-6109, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Waukesha Engine Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-00-470-6109
Primary Part Number21047
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Waukesha Engine Div
StatusACTIVE
Hole Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Outside Diameter0.858 INCHES NOMINAL IN
Material Thickness0.145 INCHES NOMINAL IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-468907033 INTERCHANGEABLE
Bearing,ball,annular
Hoffman/new Yorker, Inc.
5930-00-521-841421047 INTERCHANGEABLE
Switch,lever,wafer
Leica Inc Surveying and Photogrammetry Systems Div
5950-00-569-1490 INTERCHANGEABLE
Transformer,power
3020-00-762-1469 INTERCHANGEABLE
Gear Planetary
5310-00-820-6653MS35338-50 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5905-00-853-48638192923 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Us Army Aviation and Missile Command
5945-00-878-775422-316C INTERCHANGEABLE
Relay,electromagnetic
L3harris Maritime Power & Energy Solutions, Inc
6625-01-012-579921047 INTERCHANGEABLE
Tuning Unit,generator
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
4810-01-097-1150 INTERCHANGEABLE
Cap,end
5340-01-100-496021047 INTERCHANGEABLE
Block,door Hinge
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
103325 Dresser Industries Inc Waukesha Engine Div (USA)
21047 PRIMARY Dresser Industries Inc Waukesha Engine Div (USA)
Related Parts
3110-00-156-4689INTERCHANGEABLE
BEARING,BALL,ANNULAR
07033
5930-00-521-8414INTERCHANGEABLE
SWITCH,LEVER,WAFER
21047
5950-00-569-1490INTERCHANGEABLE
TRANSFORMER,POWER
3020-00-762-1469INTERCHANGEABLE
GEAR PLANETARY
5310-00-820-6653INTERCHANGEABLE
WASHER,LOCK
MS35338-50
5905-00-853-4863INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
8192923
5945-00-878-7754INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
22-316C
6625-01-012-5799INTERCHANGEABLE
TUNING UNIT,GENERATOR
21047
4810-01-097-1150INTERCHANGEABLE
CAP,END
5340-01-100-4960INTERCHANGEABLE
BLOCK,DOOR HINGE
21047
4720-01-251-8566INTERCHANGEABLE
HOSE,PREFORMED
21047
5305-01-333-4691INTERCHANGEABLE
SCREW,MACHINE
H12-0002-208

Frequently Asked Questions

What is NSN 5310-00-470-6109?

NSN 5310-00-470-6109 is a Washer,lock, manufactured by Dresser Industries Inc Waukesha Engine Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-470-6109?

NSN 5310-00-470-6109 has 2 cross-referenced part numbers: 103325 (Dresser Industries Inc Waukesha Engine Div), 21047 (Dresser Industries Inc Waukesha Engine Div).

What NSN replaces 5310-00-470-6109?

There are 12 known substitutes for 5310-00-470-6109: 3110-00-156-4689, 5930-00-521-8414, 5950-00-569-1490 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21047?

Key specifications for 21047: Hole Diameter: 0.500 INCHES NOMINAL IN; Material: STEEL OVERALL; Outside Diameter: 0.858 INCHES NOMINAL IN; Material Thickness: 0.145 INCHES NOMINAL IN. 5 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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