PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6817Washer,flat

La Chance Ltd · NSN 5310-00-285-1499 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-285-1499 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-285-1499. Primary manufacturer part number: 6817.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 1010 OVERALL
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Peripheral Shape Style: SQUARE
  • Width Across Flats: 3.000 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thickness: 0.250 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-285-1499, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is La Chance Ltd. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-285-1499
Primary Part Number6817
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLa Chance Ltd
StatusACTIVE
MaterialSTEEL COMP 1010 OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Peripheral Shape StyleSQUARE
Width Across Flats3.000 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thickness0.250 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.805 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-038-0713 INTERCHANGEABLE
Handle,switch
2530-00-231-00428217-5 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Pdi Ground Support Systems, Inc.
2510-00-845-011222017533 INTERCHANGEABLE
Shock Absorber,direct Action
General Motors Llc Dba General Motors Llc
4730-00-943-2285 INTERCHANGEABLE
Elbow,pipe
3120-01-237-94396817 INTERCHANGEABLE
Bearing,washer,thrust
Tescom Corp Dba Tescom Div Tescom
6530-01-283-65416817 INTERCHANGEABLE
Tube Assembly,respiratory Therap
Bird Products Corp
Cross-Reference Index
Part NumberManufacturer
6817 La Chance Ltd (USA)
Related Parts
5930-00-038-0713INTERCHANGEABLE
HANDLE,SWITCH
2530-00-231-0042INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
8217-5
2510-00-845-0112INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
22017533
4730-00-943-2285INTERCHANGEABLE
ELBOW,PIPE
3120-01-237-9439INTERCHANGEABLE
BEARING,WASHER,THRUST
6817
6530-01-283-6541INTERCHANGEABLE
TUBE ASSEMBLY,RESPIRATORY THERAP
6817

Frequently Asked Questions

What is NSN 5310-00-285-1499?

NSN 5310-00-285-1499 is a Washer,flat, manufactured by La Chance Ltd, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-285-1499?

NSN 5310-00-285-1499 has 1 cross-referenced part number: 6817 (La Chance Ltd).

What NSN replaces 5310-00-285-1499?

There are 6 known substitutes for 5310-00-285-1499: 5930-00-038-0713, 2530-00-231-0042, 2510-00-845-0112 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6817?

Key specifications for 6817: Material: STEEL COMP 1010 OVERALL; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Peripheral Shape Style: SQUARE; Width Across Flats: 3.000 INCHES NOMINAL IN. 11 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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