PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5190413Washer,flat

Naval Sea Systems Command · NSN 5310-01-365-3186 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-365-3186 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-365-3186. Primary manufacturer part number: 5190413.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: STEEL COMP 303 OVERALL
  • Material Document and Classification: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Overall Diameter: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
  • Thickness: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-365-3186, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-365-3186
Primary Part Number5190413
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Peripheral Shape StyleROUND
MaterialSTEEL COMP 303 OVERALL
Material Document and ClassificationASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
Thickness0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Hardness Rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Hole Diameter0.381 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-00-188-9448 INTERCHANGEABLE
Key,machine
Cross-Reference Index
Part NumberManufacturer
5190413 General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
5190413 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5315-00-188-9448INTERCHANGEABLE
KEY,MACHINE

Frequently Asked Questions

What is NSN 5310-01-365-3186?

NSN 5310-01-365-3186 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-365-3186?

NSN 5310-01-365-3186 has 2 cross-referenced part numbers: 5190413 (General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems), 5190413 (Naval Sea Systems Command).

What NSN replaces 5310-01-365-3186?

There is 1 known substitute for 5310-01-365-3186: 5315-00-188-9448. Verify interchangeability with system specifications before substitution.

What are the specifications of 5190413?

Key specifications for 5190413: Peripheral Shape Style: ROUND; Material: STEEL COMP 303 OVERALL; Material Document and Classification: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 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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