Gasket

S31018-2
(NSN) National Stock Number
5330-00-491-5490
Federal Supply Classification
5330 Packing and Gasket Materials
Item Name Code
04522
Schedule B Code
-
Summary

Solid single or composition cross-sectional shape style, 0.594 inches minimum and 0.599 inches maximum outside diameter, 0.438 inches minimum and 0.445 inches maximum aperture diameter, 0.175 inches minimum and 0.180 inches maximum cross-sectional thickness, zzzy criticality code justification, plastic polypropylene overall material

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
1 - - HD
Identification

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

INC FIIG Concept Condition
04522 A032A0 - 1
Specifications
Cross-Sectional Shape Style
solid single or composition
Details The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
Outside Diameter
0.594 inches minimum and 0.599 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.
Aperture Diameter
0.438 inches minimum and 0.445 inches maximum
Details The length of a straight line which passes through the center of an aperture,and terminates at the circumference.
Cross-Sectional Thickness
0.175 inches minimum and 0.180 inches maximum
Details A measurement of the smallest dimension of a cross section,in distinction from length or width.
Criticality Code Justification
zzzy
Details The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
Material
plastic polypropylene overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
circular
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Reference Number Differentiating Characteristics
cleaning, packaging, and marking iaw mil-std-1330d
Details A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
21-19566MKA 81412 1 - 5 9 - HD
21-19566MKACP 03950 6 - 5 2 - HD
S31018-2CP 03950 6 - 5 2 - HD
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
95100 - W -
RVC WCC TCC SHC
- 596 Z 9
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FAQs
Frequently asked questions for NSN 5330-00-491-5490
What is the NIIN of the NSN 5330-00-491-5490?
The National Item Identification Number (NIIN) of the NSN 5330-00-491-5490 is 00-491-5490
When the NSN 5330-00-491-5490 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Jun 11, 1969
Does the NSN 5330-00-491-5490 contain any precious metals?
Does not contain precious metal
Does the NSN 5330-00-491-5490 contain any hazardous material?
No information in HMIRS

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