PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-425Washer,flat

Dresser Industries Inc Leroi Div · NSN 5310-00-262-4734 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-4734 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-4734. Primary manufacturer part number: 20-425.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.734 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.062 INCHES NOMINAL IN
  • Material: COPPER OVERALL
  • Hole Diameter: 0.469 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-262-4734, 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 Leroi Div. Government technical data includes 7 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-4734
Primary Part Number20-425
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Peripheral Shape StyleROUND
Overall Diameter0.734 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.062 INCHES NOMINAL IN
MaterialCOPPER OVERALL
Hole Diameter0.469 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5340-00-456-5601 INTERCHANGEABLE
Boot,dust and Moisture Seal
5330-00-757-342820425 INTERCHANGEABLE
Packing Material
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5935-00-763-8086 INTERCHANGEABLE
Backshell,electrical Connector
5935-00-894-8376 INTERCHANGEABLE
Connector,receptacle,electrical
3655-00-981-1030 INTERCHANGEABLE
Valve Drain
5905-00-984-2785 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
6505-01-040-9685NDC00469-2204-25 INTERCHANGEABLE
Lidocaine Hydrochloride Injectio
Astellas Pharma Us, Inc.
5330-01-096-371220425 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
3040-01-340-0051 INTERCHANGEABLE
Connecting Link,rigid
5342-01-374-689031068 INTERCHANGEABLE
Palm,hinge Lock Ass
Little Giant Ladder Systems, Llc
Cross-Reference Index
Part NumberManufacturer
20-425 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
5340-00-456-5601INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5330-00-757-3428INTERCHANGEABLE
PACKING MATERIAL
20425
5935-00-763-8086INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5935-00-894-8376INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3655-00-981-1030INTERCHANGEABLE
VALVE DRAIN
5905-00-984-2785INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
6505-01-040-9685INTERCHANGEABLE
LIDOCAINE HYDROCHLORIDE INJECTIO
NDC00469-2204-25
5330-01-096-3712INTERCHANGEABLE
GASKET
20425
3040-01-340-0051INTERCHANGEABLE
CONNECTING LINK,RIGID
5342-01-374-6890INTERCHANGEABLE
PALM,HINGE LOCK ASS
31068

Frequently Asked Questions

What is NSN 5310-00-262-4734?

NSN 5310-00-262-4734 is a Washer,flat, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-262-4734?

NSN 5310-00-262-4734 has 1 cross-referenced part number: 20-425 (Dresser Industries Inc Leroi Div).

What NSN replaces 5310-00-262-4734?

There are 10 known substitutes for 5310-00-262-4734: 5340-00-456-5601, 5330-00-757-3428, 5935-00-763-8086 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-425?

Key specifications for 20-425: Peripheral Shape Style: ROUND; Overall Diameter: 0.734 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.062 INCHES NOMINAL IN. 7 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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