PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100350ADXWasher,lock

Airdale Express Llc Div Airdale Express · NSN 5310-01-028-0209 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-028-0209 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-028-0209. Primary manufacturer part number: 100350ADX.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.018 INCHES NOMINAL0.018 INCHES NOMINAL IN
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment: PASSIVATE OVERALL
  • Outside Diameter: 0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.408 INCHES MAXIMUM0.408 INCHES MAXIMUM IN
  • Hole Diameter: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-028-0209, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Airdale Express Llc Div Airdale Express. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-01-028-0209
Primary Part Number100350ADX
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAirdale Express Llc Div Airdale Express
StatusACTIVE
Material Thickness0.018 INCHES NOMINAL0.018 INCHES NOMINAL IN
Style DesignatorFLAT INTERNAL TEETH
Surface TreatmentPASSIVATE OVERALL
Outside Diameter0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.408 INCHES MAXIMUM0.408 INCHES MAXIMUM IN
Hole Diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-196-1468A733S-97CFG INTERCHANGEABLE
Nipple,pipe
Sae International Dba Sae International
4310-00-377-9441W11653T INTERCHANGEABLE
Valve,reed
Ingersoll-Rand Company Dba Rotary Compressor Division
5920-01-629-9748100350 INTERCHANGEABLE
Lightning Rod
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
100350ADX Airdale Express Llc Div Airdale Express (USA)
100350 Federal Screw Products, Inc. (USA)
Related Parts
4730-00-196-1468INTERCHANGEABLE
NIPPLE,PIPE
A733S-97CFG
4310-00-377-9441INTERCHANGEABLE
VALVE,REED
W11653T
5920-01-629-9748INTERCHANGEABLE
LIGHTNING ROD
100350

Frequently Asked Questions

What is NSN 5310-01-028-0209?

NSN 5310-01-028-0209 is a Washer,lock, manufactured by Airdale Express Llc Div Airdale Express, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-028-0209?

NSN 5310-01-028-0209 has 2 cross-referenced part numbers: 100350ADX (Airdale Express Llc Div Airdale Express), 100350 (Federal Screw Products, Inc.).

What NSN replaces 5310-01-028-0209?

There are 3 known substitutes for 5310-01-028-0209: 4730-00-196-1468, 4310-00-377-9441, 5920-01-629-9748. Verify interchangeability with system specifications before substitution.

What are the specifications of 100350ADX?

Key specifications for 100350ADX: Material Thickness: 0.018 INCHES NOMINAL0.018 INCHES NOMINAL IN; Style Designator: FLAT INTERNAL TEETH; Surface Treatment: PASSIVATE OVERALL; Outside Diameter: 0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.408 INCHES MAXIMUM0.408 INCHES MAXIMUM IN. 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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