Recessed Washer

726248-3

726248-3
(NSN) National Stock Number
5310-00-209-1661
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15933
Schedule B Code
7318220000
Summary

0.437 inches minimum and 0.444 inches maximum hole diameter, 0.750 inches nominal outside diameter, 0.642 inches minimum and 0.649 inches maximum recess diameter, 0.078 inches nominal recess depth, 0.115 inches minimum and 0.135 inches maximum material thickness, 90.0 degrees nominal recess angle

DAC HCC DMIL RNCC
X - - 3
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
0.437 inches minimum and 0.444 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.750 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
0.642 inches minimum and 0.649 inches maximum
Details The length of a straight line which passes through the center of the recess,and terminates at the circumference.
Recess Depth
0.078 inches nominal
Details A measurement between specified points on the recess,in distinction from height.
Material Thickness
0.115 inches minimum and 0.135 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Recess Angle
90.0 degrees nominal
Details None.
Material
steel comp 8630 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-s-6050,cond f4 mil 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.
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 U
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA , GA , 30063-0001
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-209-1661
What is the NIIN of the NSN 5310-00-209-1661?
The National Item Identification Number (NIIN) of the NSN 5310-00-209-1661 is 00-209-1661
When the NSN 5310-00-209-1661 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-209-1661 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-209-1661 contain any hazardous material?
No data in HMIRS

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