Recessed Washer

4F21615-101A

4F21615-101A
(NSN) National Stock Number
5310-00-127-7927
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15933
Schedule B Code
7616108000
Summary

0.631 inches minimum and 0.643 inches maximum hole diameter, 1.125 inches nominal outside diameter, 0.931 inches minimum and 0.943 inches maximum recess diameter, 0.190 inches nominal material thickness, 90.0 degrees nominal recess angle, aluminum alloy 7075 overall material

DAC HCC DMIL RNCC
2 - - 3
RNVC SADC MSDS RNAAC
2 - - SE
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
0.631 inches minimum and 0.643 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
1.125 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
0.931 inches minimum and 0.943 inches maximum
Details The length of a straight line which passes through the center of the recess,and terminates at the circumference.
Material Thickness
0.190 inches nominal
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
aluminum alloy 7075 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-a-225/9,temper t651 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.
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
95100 - W -
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 5310-00-127-7927
What is the NIIN of the NSN 5310-00-127-7927?
The National Item Identification Number (NIIN) of the NSN 5310-00-127-7927 is 00-127-7927
When the NSN 5310-00-127-7927 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Dec 6, 1968
Does the NSN 5310-00-127-7927 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-00-127-7927 contain any hazardous material?
No data in HMIRS

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