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Datasheet. 51A81 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a single mounting facility
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.430in. ⁓2-7/16"
A measurement of the longest straight line across a circular cross-sectional plane.
1.650in. ⁓1-21/32"
The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.
hermetic
The number of individual /not electrically connected/ windings.
1
The number of coils included on the item.
1
The measured opposition to the flow of direct current offered by the item winding.
3.2 kilohms single winding
Indicates the type of duty provided.
continuous
Indicates the type and number of facilities by which the item is mounted.
3 threaded stud single mounting facility
The number and combination(s) of the basic contact forms,in the order of assemblage,which make up the switching structure of the pile-up main contacts.
1a and 1c
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32 single mounting facility
A designation that is used for the purpose of general identification of the thread.
0.138in. single mounting facility ⁓9/64"
The general configuration and relative position of the facilities provided for mounting the item.
ciruclar single mounting facility
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.
28.0 volts dc 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.
3.0 amperes ac resistive load
The highest voltage at which the main contacts are rated for normal operation,expressed in volts.
50.0 ac
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.
copper end slug
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc single mounting facility
Indicates the type and number of terminals for providing electrical connection.
7 pin all functions
Answers.
1EA
Unc single mounting facility
32 single mounting facility
2a single mounting facility
Schedule B number: 8536410020
nmfc 061300
Relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v
FSC 5945 ⁓ Relays and solenoids
Excluding contractors.
NSN 5945-00-556-3314 RELAY,ELECTROMAGNETIC
unc single mounting facility thread series copper end slug 32 single mounting facility thread quantity per inch 2.430" overall length 2a single mounting facility thread class
- NIIN
- 005563314
- NIIN Date
- 01/01/63
- Schedule B
- 8536410020
- Name Code
- 32512
- FIIG
- A03300
- QUP
- 1
- Historical Price
- $175.05 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- 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. | RP4231G1 | Cage 00779 |
| 2. | RP4231G1 | Cage 71482 |
| 3. | RP4231G1 | Cage 58614 |
Major End Users Countries and entities
- - Department of The Navy
Availability for 51A81 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
51A81 / 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.
