PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

726027Washer,convex

Lockheed Martin Corp · NSN 5310-00-532-8434 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-532-8434 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-532-8434. Primary manufacturer part number: 726027.
Features
  • Washer,convex — FSC 5310
  • Material Thickness: 0.172 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL COMP 8630 OVERALL
  • Style Designator: CONVEX
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS
  • Material Document and Classification: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-532-8434, 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 8 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
NSN5310-00-532-8434
Primary Part Number726027
Item NameWasher,convex
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Material Thickness0.172 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 8630 OVERALL
Style DesignatorCONVEX
Outside Diameter0.750 INCHES NOMINAL IN
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.452 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-01-555-535570009 INTERCHANGEABLE
Water Circulating Pump
Helmer Scientific Llc Dba Helmer
Cross-Reference Index
Part NumberManufacturer
726027 PRIMARY Lockheed Martin Corp (USA)
Related Parts
4320-01-555-5355INTERCHANGEABLE
WATER CIRCULATING PUMP
70009

Frequently Asked Questions

What is NSN 5310-00-532-8434?

NSN 5310-00-532-8434 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 5310-00-532-8434?

NSN 5310-00-532-8434 has 1 cross-referenced part number: 726027 (Lockheed Martin Corp).

What NSN replaces 5310-00-532-8434?

There is 1 known substitute for 5310-00-532-8434: 4320-01-555-5355. Verify interchangeability with system specifications before substitution.

What are the specifications of 726027?

Key specifications for 726027: Material Thickness: 0.172 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Material: STEEL COMP 8630 OVERALL; Style Designator: CONVEX. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com