PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10503410Washer,flat

General Dynamics Land Systems Canadacorp · NSN 5310-01-158-3187 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-158-3187 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-158-3187. Primary manufacturer part number: 10503410.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Surface Treatment: ZINC AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: DIN 267 MFR REF ALL TREATMENT RESPONSES OVERALL
  • Thickness: 3.0 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
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 5310-01-158-3187, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Land Systems Canadacorp. Government technical data includes 9 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
NSN5310-01-158-3187
Primary Part Number10503410
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems Canadacorp
StatusACTIVE
Peripheral Shape StyleROUND
Surface TreatmentZINC AND CHROMATE OVERALL
Surface Treatment Document and ClassificationDIN 267 MFR REF ALL TREATMENT RESPONSES OVERALL
Thickness3.0 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Hole Diameter16.0 MILLIMETERS NOMINAL MM
Overall Diameter28.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-872-50546816 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
DIN1440-16-ST-A2L Din Deutsches Institut Fur Normung Ev (DEU)
10503410 PRIMARY General Dynamics Land Systems Canadacorp (CAN)
Related Parts
5330-00-872-5054INTERCHANGEABLE
SEAL,PLAIN ENCASED
6816

Frequently Asked Questions

What is NSN 5310-01-158-3187?

NSN 5310-01-158-3187 is a Washer,flat, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-158-3187?

NSN 5310-01-158-3187 has 2 cross-referenced part numbers: DIN1440-16-ST-A2L (Din Deutsches Institut Fur Normung Ev), 10503410 (General Dynamics Land Systems Canadacorp).

What NSN replaces 5310-01-158-3187?

There is 1 known substitute for 5310-01-158-3187: 5330-00-872-5054. Verify interchangeability with system specifications before substitution.

What are the specifications of 10503410?

Key specifications for 10503410: Peripheral Shape Style: ROUND; Surface Treatment: ZINC AND CHROMATE OVERALL; Surface Treatment Document and Classification: DIN 267 MFR REF ALL TREATMENT RESPONSES OVERALL; Thickness: 3.0 MILLIMETERS NOMINAL MM. 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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