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Datasheet. 21-578 specification
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
3.876in. ⁓3-57/64"
The distance between the center of one mounting facility and the center of the adjacent mounting facility parallel to the length.
3.500in. single mounting facility
The distance between the center of one mounting facility and the center of the adjacent mounting facility parallel to the width.
2.750in. single mounting facility
The distance measured in a straight line from the bottom to the top of an item.
2.688in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
3.500in.
The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.
shock resistant and hermetic
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.
0.172in. single mounting facility
The cycles per second /hertz/ of the alternating current.
50.0 or 400.0
The number of individual /not electrically connected/ windings.
1
The number of coils included on the item.
1
Indicates the type of duty provided.
continuous
Indicates the type and number of facilities by which the item is mounted.
4 unthreaded hole single mounting facility
The general configuration and relative position of the facilities provided for mounting the item.
rectangular single mounting facility
The designation that identifies the schematic diagram of the electrical configuration of the main nonpile-up contacts including the number of poles or forms.
1 pole, single throw, normally open, momentary action and 1 pole, single throw, normally closed, momentary action
The amount and type of voltage required at designated temperature to be applied to the input or energizing element of the item to ensure normal operation of the switching elements.
120.0 volts ac 25 deg celsius single winding
The amount of current the main contacts are rated to make or break at maximum rated voltage,with a specified load.
10.0 amperes ac resistive load and 10.0 amperes dc resistive load
The highest voltage at which the main contacts are rated for normal operation,expressed in volts.
120.0 ac and 30.0 dc
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
screw DROP-Out trip adjustment
Indicates the type and number of terminals for providing electrical connection.
6 threaded stud all functions
Answers.
1EA
3.500 inches
Schedule B number: 8536490075
nmfc 061300
Relays, electromechanical, for a voltage exceeding 60 v but not exceeding 1,000 v
FSC 5945 ⁓ Relays and solenoids
Excluding contractors.
NSN 5945-01-186-6194 RELAY,ELECTROMAGNETIC
screw drop-out trip adjustment 3.500" overall width 3.876" overall length
- NIIN
- 011866194
- NIIN Date
- 08/12/84
- Schedule B
- 8536490075
- Name Code
- 32512
- FIIG
- A03300
- Item Weight
- 1.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $2,037.88 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 400SX | Cage 18741 |
| 2. | 400SX | Cage 14321 |
Major End Users Countries and entities
- - Department of The Navy
- - Poland
- - Spain
- - Australia
- - Turkey
Availability for 21-578 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 77.5
- LCL (less than a car load rating)
- 77.5
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)
- Commodity (for shipments via water)
- Communications/electronics, other than sigint/ew or comsec repair parts and components
- NMFC (national motor freight code)
- 061300 CIRCUIT BREAKER/SWITCH NOI
- UFC (universal freight code)
- 34410
Similar by Design Other relays with similar characteristics
Nothing similar to this part number was found in our inventory
21-578 / Relay,electromagneticWhat is the formal definition of this item?
A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). includes solenoid and armature types. excludes contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.
