Lock Washer

LSEC37P

LSEC37P
(NSN) National Stock Number
5310-00-209-4391
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
7318210000
Summary

0.383 inches minimum and 0.398 inches maximum hole diameter, 0.678 inches nominal outside diameter, 0.062 inches nominal material thickness, steel corrosion resisting overall material, passivate overall surface treatment, split helical-right hand style designator

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
9 - - XX
Identification

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

INC FIIG Concept Condition
14218 A022B0 1 1
Specifications
Hole Diameter
0.383 inches minimum and 0.398 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.678 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
Material Thickness
0.062 inches nominal
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
passivate overall
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Style Designator
split helical-right hand
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
FF-W-84 81348 E - 4 1 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
55210 - U -
RVC WCC TCC SHC
- 713 Z 9
Price and Availability Quote

Send us a quick request for quote using the form below:

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • ISO9001 / AS9100 Quality Standards
  • HAZMAT Certified
  • On Time Delivery
  • Qualified sales team
  • Counterfeit Parts Prevention
  • 100% Product Inspections
Manufacturer
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
CAGE: 80249
GREENLAWN , NY , 11740-1609
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5310-00-209-4391
What is the NIIN of the NSN 5310-00-209-4391?
The National Item Identification Number (NIIN) of the NSN 5310-00-209-4391 is 00-209-4391
When the NSN 5310-00-209-4391 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-209-4391 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-209-4391 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

We are dedicated suppliers of aircraft ground servicing equipment, shop supplies, adhesives, chemicals, hardware, and a wide range of other essential consumables.

Contact
841 Prudential Drive
Jacksonville, FL, 32207
United States
© 2025 Aerospace Supplies, Inc. All rights reserved.
Made in USA