Lock Washer

908056

908056
(NSN) National Stock Number
5310-01-377-0890
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
7318210000
Summary

10.2 millimeters minimum and 10.7 millimeters maximum hole diameter, 18.1 millimeters maximum outside diameter, 2.2 millimeters minimum and 2.3 millimeters maximum material thickness, 45.0 rockwell c minimum and 52.0 rockwell c maximum hardness rating, steel comp 1050 overall or steel comp 1095 overall material, cadmium overall and chromate overall surface treatment

DAC HCC DMIL RNCC
3 - - 5
RNVC SADC MSDS RNAAC
2 - - 9Z
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
10.2 millimeters minimum and 10.7 millimeters maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
18.1 millimeters maximum
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
2.2 millimeters minimum and 2.3 millimeters maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Hardness Rating
45.0 rockwell c minimum and 52.0 rockwell c maximum
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Material
steel comp 1050 overall or steel comp 1095 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
cadmium overall and chromate 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.
Surface Treatment Document And Classification
qq-p-416 ty2 cl2 fed spec single treatment response overall
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
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
D70336/1-10 81349 E - 2 2 - ZZ
DOD-W-70336/1 81349 E - 4 1 - 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
48950 - W -
RVC WCC TCC SHC
- 576 Z 9

Certified Supplier

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

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping
Manufacturer
SCANDINAVIAN MANUFACTURING SCAMA AB
CAGE: A274N
VADERSTAD , 59021
SWEDEN
View Products
FAQs
Frequently asked questions for NSN 5310-01-377-0890
What is the NIIN of the NSN 5310-01-377-0890?
The National Item Identification Number (NIIN) of the NSN 5310-01-377-0890 is 01-377-0890
When the NSN 5310-01-377-0890 was assigned to the Federal Catalog?
It was assigned 31 years ago, on Fri, Jul 2, 1993
Does the NSN 5310-01-377-0890 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-377-0890 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 a trusted provider of milspec and aerospace hardware, offering high-quality consumables and parts. With a commitment to excellence, we guarantee reliable and fast delivery through our network of logistics centers. Our mission is to support the aerospace industry with precision and efficiency.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 Aerospace Hardware Store, Inc. All rights reserved.
Made in USA