Recessed Washer

2660566-501

2660566-501
(NSN) National Stock Number
5310-00-078-8848
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15933
Schedule B Code
7415210000
Summary

2.815 inches minimum and 2.825 inches maximum hole diameter, 4.094 inches nominal outside diameter, 3.006 inches nominal recess diameter, 0.093 inches minimum and 0.108 inches maximum recess depth, 0.123 inches minimum and 0.127 inches maximum material thickness, 45.0 degrees nominal recess angle

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

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

INC FIIG Concept Condition
15933 A022B0 1 1
Specifications
Hole Diameter
2.815 inches minimum and 2.825 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
4.094 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.
Recess Diameter
3.006 inches nominal
Details The length of a straight line which passes through the center of the recess,and terminates at the circumference.
Recess Depth
0.093 inches minimum and 0.108 inches maximum
Details A measurement between specified points on the recess,in distinction from height.
Material Thickness
0.123 inches minimum and 0.127 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Recess Angle
45.0 degrees nominal
Details None.
Material
copper alloy 954 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-c-390 ty 2 fed spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Style Designator
recessed
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
2660566-501 18355 X - 3 2 - XX
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
95100 - W -
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.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping
Manufacturer
THE BOEING COMPANY
CAGE: 88277
LONG BEACH , CA , 90808-1700
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5310-00-078-8848
What is the NIIN of the NSN 5310-00-078-8848?
The National Item Identification Number (NIIN) of the NSN 5310-00-078-8848 is 00-078-8848
When the NSN 5310-00-078-8848 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-078-8848 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-078-8848 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