PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70344Washer,flat

L3 Aviation Products, Inc. Dba L3 Technologies · NSN 5310-00-448-2566 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-448-2566 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-448-2566. Primary manufacturer part number: 70344.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.444 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 1.187 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thickness: 0.032 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-448-2566, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-448-2566
Primary Part Number70344
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3 Aviation Products, Inc. Dba L3 Technologies
StatusCANCELLED
Hole Diameter0.444 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Overall Diameter1.187 INCHES NOMINAL IN
Peripheral Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
Thickness0.032 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6625-00-578-521268A4-C243 INTERCHANGEABLE
Ammeter
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-01-103-11917034-4 INTERCHANGEABLE
Coil,radio Frequency
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
Cross-Reference Index
Part NumberManufacturer
70344 PRIMARY L3 Aviation Products, Inc. Dba L3 Technologies (USA)
SCD14351 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
6625-00-578-5212INTERCHANGEABLE
AMMETER
68A4-C243
5950-01-103-1191INTERCHANGEABLE
COIL,RADIO FREQUENCY
7034-4

Frequently Asked Questions

What is NSN 5310-00-448-2566?

NSN 5310-00-448-2566 is a Washer,flat, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-448-2566?

NSN 5310-00-448-2566 has 2 cross-referenced part numbers: 70344 (L3 Aviation Products, Inc. Dba L3 Technologies), SCD14351 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5310-00-448-2566?

There are 2 known substitutes for 5310-00-448-2566: 6625-00-578-5212, 5950-01-103-1191. Verify interchangeability with system specifications before substitution.

What are the specifications of 70344?

Key specifications for 70344: Hole Diameter: 0.444 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Overall Diameter: 1.187 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-448-2566 still in active supply?

NSN 5310-00-448-2566 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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