PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

347180Washer,flat

Lockheed Martin Corp · NSN 5310-00-209-5452 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-5452 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-5452. Primary manufacturer part number: 347180.
Features
  • Washer,flat — FSC 5310
  • Hardness Rating: 72.0 ROCKWELL B MAXIMUM
  • Hole Diameter: 1.010 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Material Document and Classification: QQ-A-268,COND T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 1.375 INCHES NOMINAL IN
  • Thickness: 0.091 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-209-5452, 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 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
NSN5310-00-209-5452
Primary Part Number347180
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Hardness Rating72.0 ROCKWELL B MAXIMUM
Hole Diameter1.010 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-268,COND T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Overall Diameter1.375 INCHES NOMINAL IN
Thickness0.091 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6685-00-450-7013347-180 INTERCHANGEABLE
Thermostat,flow Control
Stant Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
347180 Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns (USA)
347180 PRIMARY Lockheed Martin Corp (USA)
Related Parts
6685-00-450-7013INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
347-180

Frequently Asked Questions

What is NSN 5310-00-209-5452?

NSN 5310-00-209-5452 is a Washer,flat, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-5452?

NSN 5310-00-209-5452 has 2 cross-referenced part numbers: 347180 (Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns), 347180 (Lockheed Martin Corp).

What NSN replaces 5310-00-209-5452?

There is 1 known substitute for 5310-00-209-5452: 6685-00-450-7013. Verify interchangeability with system specifications before substitution.

What are the specifications of 347180?

Key specifications for 347180: Hardness Rating: 72.0 ROCKWELL B MAXIMUM; Hole Diameter: 1.010 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024 OVERALL; Material Document and Classification: QQ-A-268,COND T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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