PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501-009Washer,flat

Ampex Data Systems Corporation Dba Ampex Intelligent Systems · NSN 5310-00-410-8011 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-410-8011 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-410-8011. Primary manufacturer part number: 501-009.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Thickness: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: CADMIUM OVERALL
  • Hole Diameter: 0.158 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-410-8011, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ampex Data Systems Corporation Dba Ampex Intelligent Systems. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-410-8011
Primary Part Number501-009
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmpex Data Systems Corporation Dba Ampex Intelligent Systems
StatusACTIVE
Overall Diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Thickness0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.158 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN
Hardness Rating28.0 ROCKWELL A MINIMUM AND 34.0 ROCKWELL A MAXIMUM
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2935-00-133-713335001-34 INTERCHANGEABLE
Cap,filler Opening
Parker Hannifin Corp Dba Pneutronics
5930-00-443-3865FS1 INTERCHANGEABLE
Switch,flow
Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
5930-00-795-28842081616-1 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc Dba Honeywell
5315-00-911-1063 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
501-009 Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA)
501-009 Ampex Data Systems Corp Computer Products Div (USA)
501-009 Quantegy Inc (USA)
Related Parts
2935-00-133-7133INTERCHANGEABLE
CAP,FILLER OPENING
35001-34
5930-00-443-3865INTERCHANGEABLE
SWITCH,FLOW
FS1
5930-00-795-2884INTERCHANGEABLE
SWITCH,ROTARY
2081616-1
5315-00-911-1063INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 5310-00-410-8011?

NSN 5310-00-410-8011 is a Washer,flat, manufactured by Ampex Data Systems Corporation Dba Ampex Intelligent Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-410-8011?

NSN 5310-00-410-8011 has 3 cross-referenced part numbers: 501-009 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems), 501-009 (Ampex Data Systems Corp Computer Products Div), 501-009 (Quantegy Inc).

What NSN replaces 5310-00-410-8011?

There are 4 known substitutes for 5310-00-410-8011: 2935-00-133-7133, 5930-00-443-3865, 5930-00-795-2884 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 501-009?

Key specifications for 501-009: Overall Diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thickness: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Material: STEEL OVERALL. 9 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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