Keyed Lock Ring

242R7970-3

242R7970-3
(NSN) National Stock Number
5365-00-802-9173
Federal Supply Classification
5365 Bushings, Rings, Shims and Spacers
Item Name Code
21973
Schedule B Code
-
Summary

0.185 inches nominal inside diameter, 0.095 inches nominal key length, 0.032 inches nominal overall height, 0.060 inches nominal key width, 0.250 inches nominal overall outside diameter, steel corrosion resisting material

DAC HCC DMIL RNCC
9 - - C
RNVC SADC MSDS RNAAC
1 F5 - ZZ
Identification

A locking device with two keys spaced approximately 180 degrees center to center and protruding from the seating surface of the ring. When installed the keys mate with companion keyways in the external threads of screw thread inserts, locked-in studs, or similar type items, and cut through sufficient threads of the parent material tapped hole to provide a positive lock between the threaded bodies.

INC FIIG Concept Condition
21973 T252-E - 1
Specifications
Inside Diameter
0.185 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.
Key Length
0.095 inches nominal
Details A measurement of the longest dimension of a key,in distinction from width.
Overall Height
0.032 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Key Width
0.060 inches nominal
Details A measurement taken at right angles to the length of a key,in distinction from thickness.
Overall Outside Diameter
0.250 inches nominal
Details The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
Material
steel corrosion resisting
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
passivate
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
242R7970-3 94990 X - 5 9 - XX
754 05160 X - 5 2 - XX
701-4 01556 4 - 5 9 - KZ
K44-7 01556 5 - 5 9 - KZ
KR4-15 01556 X - 5 9 - XX
69824-5 73030 X - 3 2 - XX
14189-1 03350 3 - 3 2 - KZ
107B8218P2 89954 4 - 5 2 - 9Z
107B8218P2 07482 4 - 5 2 - 9Z
TX93025-3 59875 X - 3 2 - XX
14189-1 78710 2 - 1 2 - SE
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
49790 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
GENERAL DYNAMICS MISSION SYSTEMS, INC.
CAGE: 1VPW8
SCOTTSDALE , AZ , 85257-3812
UNITED STATES
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FAQs
Frequently asked questions for NSN 5365-00-802-9173
What is the NIIN of the NSN 5365-00-802-9173?
The National Item Identification Number (NIIN) of the NSN 5365-00-802-9173 is 00-802-9173
When the NSN 5365-00-802-9173 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5365-00-802-9173 contain any precious metals?
Does not contain precious metal
Does the NSN 5365-00-802-9173 contain any hazardous material?
No data in HMIRS

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