Lock Washer

991-4-00093-007

991-4-00093-007
(NSN) National Stock Number
5310-00-455-3396
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
7318210000
Summary

0.250 inches nominal hole diameter, 0.511 inches minimum and 0.521 inches maximum outside diameter, 0.056 inches minimum and 0.061 inches maximum material thickness, as fabricated heat treatment, steel overall material, cadmium overall surface treatment

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - SE
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
0.250 inches nominal
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.511 inches minimum and 0.521 inches 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
0.056 inches minimum and 0.061 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Heat Treatment
as fabricated
Details A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
cadmium 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.
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
99-941-6644 INTE9 9 - 6 9 - ZK
SP47E K4975 5 - 5 9 - KZ
991-4-00093-007 K1423 1 - 5 9 - SE
SP47E K7766 5 - 3 2 - TU
99-9416644 99995 9 - 6 9 - KE
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
55210 - U -
RVC WCC TCC SHC
- 713 Z 9
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Manufacturer
LEONARDO UK LTD
CAGE: K0668
BASILDON , ESSEX , SS14 3EL
UNITED KINGDOM
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FAQs
Frequently asked questions for NSN 5310-00-455-3396
What is the NIIN of the NSN 5310-00-455-3396?
The National Item Identification Number (NIIN) of the NSN 5310-00-455-3396 is 00-455-3396
When the NSN 5310-00-455-3396 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Apr 16, 1969
Does the NSN 5310-00-455-3396 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-00-455-3396 contain any hazardous material?
No data in HMIRS

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