Lock Washer

16-1011320-20

16-1011320-20
(NSN) National Stock Number
5310-01-661-3072
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
7318210000
Summary

0.20 inches nominal hole diameter, 0.41 inches nominal outside diameter, truck, fire fighting end item identification, steel corrosion resisting overall material, external teeth style designator

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
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
0.20 inches nominal
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.41 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.
End Item Identification
truck, fire fighting
Details The national stock number or the identification information of the end equipment for which the item is a part.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
external teeth
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
4235249 75Q65 C - 7 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
55210 - U -
RVC WCC TCC SHC
- 713 Z 9

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
WHELEN ENGINEERING COMPANY, INC. DBA WHELEN ENGINEERING CO INC DIV WHELEN ENGINEERING COMPANY
CAGE: 10402
CHESTER , CT , 06412-1036
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5310-01-661-3072
What is the NIIN of the NSN 5310-01-661-3072?
The National Item Identification Number (NIIN) of the NSN 5310-01-661-3072 is 01-661-3072
When the NSN 5310-01-661-3072 was assigned to the Federal Catalog?
It was assigned 7 years ago, on Mon, Feb 27, 2017
Does the NSN 5310-01-661-3072 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-661-3072 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