PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28357Washer,flat

Dresser, Llc · NSN 5310-00-109-8029 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-109-8029 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-109-8029. Primary manufacturer part number: 28357.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.672 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.391 INCHES NOMINAL IN
  • Thickness: 0.094 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-109-8029, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-109-8029
Primary Part Number28357
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
Peripheral Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
Center Hole Shape StyleROUND
Overall Diameter0.672 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.391 INCHES NOMINAL IN
Thickness0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-506-913428357 INTERCHANGEABLE
Nut,plain,hexagon
Heat Wagons Inc
3040-01-708-868028357 INTERCHANGEABLE
Actuator,mechanical,nonaircraft
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
28357 PRIMARY Dresser, Llc (USA)
Related Parts
5310-01-506-9134INTERCHANGEABLE
NUT,PLAIN,HEXAGON
28357
3040-01-708-8680INTERCHANGEABLE
ACTUATOR,MECHANICAL,NONAIRCRAFT
28357

Frequently Asked Questions

What is NSN 5310-00-109-8029?

NSN 5310-00-109-8029 is a Washer,flat, manufactured by Dresser, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-109-8029?

NSN 5310-00-109-8029 has 1 cross-referenced part number: 28357 (Dresser, Llc).

What NSN replaces 5310-00-109-8029?

There are 2 known substitutes for 5310-00-109-8029: 5310-01-506-9134, 3040-01-708-8680. Verify interchangeability with system specifications before substitution.

What are the specifications of 28357?

Key specifications for 28357: Peripheral Shape Style: ROUND; Material: STEEL CORROSION RESISTING OVERALL; Center Hole Shape Style: ROUND; Overall Diameter: 0.672 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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