PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

726479-1Washer,convex

Lockheed Martin Corp · NSN 5310-00-815-8040 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-815-8040 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-815-8040. Primary manufacturer part number: 726479-1.
Features
  • Washer,convex — FSC 5310
  • Material Document and Classification: MIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: CONVEX
  • Material: STEEL COMP 8630 OVERALL
  • Material Thickness: 0.090 INCHES NOMINAL IN
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Hole Diameter: 0.376 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8630 Overall construction
General Description

The Washer,convex, cataloged under National Stock Number 5310-00-815-8040, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-815-8040
Primary Part Number726479-1
Item NameWasher,convex
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Material Document and ClassificationMIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorCONVEX
MaterialSTEEL COMP 8630 OVERALL
Material Thickness0.090 INCHES NOMINAL IN
Outside Diameter0.750 INCHES NOMINAL IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Hole Diameter0.376 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-466-19785607-51 INTERCHANGEABLE
Latch,rim
Eastern Co Div Eberhard Manufacturing
Cross-Reference Index
Part NumberManufacturer
726479-1 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5340-00-466-1978INTERCHANGEABLE
LATCH,RIM
5607-51

Frequently Asked Questions

What is NSN 5310-00-815-8040?

NSN 5310-00-815-8040 is a Washer,convex, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-815-8040?

NSN 5310-00-815-8040 has 1 cross-referenced part number: 726479-1 (Lockheed Martin Corp).

What NSN replaces 5310-00-815-8040?

There is 1 known substitute for 5310-00-815-8040: 5340-00-466-1978. Verify interchangeability with system specifications before substitution.

What are the specifications of 726479-1?

Key specifications for 726479-1: Material Document and Classification: MIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: CONVEX; Material: STEEL COMP 8630 OVERALL; Material Thickness: 0.090 INCHES NOMINAL IN. 7 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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