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0.281in. second end
manual tool
square second end external
any acceptable
EXTERNAL-Internal
4 type and 5 class and a style
as modified by second end size
A rigid adapter less than four inches (101.6 mm) long used to connect sockets to handles, power tools, or to other attachments which are not designed for direct mating to each other. See also ratchet attachment, socket wrench; universal joint, socket wrench attachment; extension, socket wrench; and adapter-extension, socket wrench; excludes adapter, socket, crowfoot socket wrench head; socket, wrench, refrigeration valve stem; and holder, screwdriver bit, female square drive.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious metal content is unknown
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.