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1.063in.
0.094in. ⁓3/32"
rubber
MIL-R-3065B, type r, class rs, grade 500 gd mil spec single material response
1. cap and chain assy, beam, rocket launcher, XM289
A circular item with two parallel bearing surfaces without hole(s) or groove(s). It has an outside diameter greater than its length, and may be fabric reinforced. Do not use if a more specific item name applies. For items primarily designed to rupture at a predetermined pressure, see disk, rupturable. For items made of felt, see felt, mechanical, preformed. For metallic or plastic items with a laminated cross section, see shim. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve, nonmetallic; filtering disk fluid; and insulator, disk.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
Represents items with no adp components
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.