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6530-01-120-2658 and 6530-01-049-0427 and 6530-01-134-3711
cubic measure:0.003 cu.ft.; fragility factor:moderately rugged; unpkg unit weight:0.097 lbs; storage facility:preferred general purpose above ground magazine; exterior container qty:1; functional description:used as thermal delay relay in circuit continuity paralelling thermostatic control; unit of issure cube:0.0030 cuft; unit of issure wt:0.0900 lbs; plastic enclosed normally open switch and termal element assembled to mtg plate; four 0.250 in.tab terminals, two for switch, two for thermal element; rectangular mtg plate 2.000 in.by 1.625 in.by 0.313 in.thk w/two diagonal mtg holes 2.000 in.ctr to ctr; rated for 120 vac; purchase description identification:21518-63688;
A relay switch which is actuated by the effect of internal heat generated by the current in its energizing circuit. For items actuated by ambient, rather than internal temperature changes, see switch, thermostatic.
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.
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.