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Datasheet. M28788/1-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b all pressure connection
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.709in. all pressure connection ⁓23/32"
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.
dustproof and explosion proof
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.500in. and 3.270in. ⁓3-9/32"
The distance measured in a straight line from the bottom to the top of an item.
3.910in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
2.400in.
A measurement of the longest dimension of the body,in distinction from width.
2.500in. and 3.270in.
The general classification of a pressure switch based on the reference method used to measure the sensed pressure.
differential
The temperature at which the item operates.
32.0 deg fahrenheit and 185.0 deg fahrenheit
The means of attaching the item.
inlet connection and outlet connection
Those features,not otherwise specified,which may be required for proper functioning of the item.
hermetically sealed case
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18 all pressure connection
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.
increase
The maximum pressure that an item will withstand without resulting in any permanent changes in the structural,mechanical,or electrical characteristics.
150.00 pounds per square inch gage
A designation that is used for the purpose of general identification of the thread.
0.563in. single pressure connection ⁓37/64"
The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.
1 pole, double throw, one position momentary
The pressure at which the pressure sensing element of the item is rendered inoperative by rupture or other permanent physical damage.
300.00 pounds per square inch gage
Indicates the type of terminal for providing electrical connection to the item.
connector, receptacle
The amount of current that the contacts are rated to make or break with a specified load.
3.0 amperes inductive load single voltage
The adjustability of the contact.
deactuation point not adjustable and actuation point not adjustable
The rating of the stimulus required to actuate and/or deactuate the contact(s).
0.85 actuation point gallons per minute and 0.60 deactuation point gallons per minute and 0.25 differential point gallons per minute
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.
28.0 dc at sea level single voltage
Indicates the type of pressure connector.
plain, threaded internal all connections
The type of media for which the item is designed.
liquid
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.
81349-MIL-S-28788 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf all pressure connection
The document designator of the specification or standard which established the item of supply.
81349-MIL-S-28788/1 government specification
Answers.
1EA
Unf all pressure connection
18 all pressure connection
2.400 inches maximum
0.709 inches minimum all pressure connection
3b all pressure connection
Schedule B number: 8536509065
nmfc 061300
Switches, for a voltage not exceeding 1000 volts
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-01-123-4361 SWITCH,PRESSURE
unf all pressure connection thread series 18 all pressure connection thread quantity per inch 2.400" overall width 2.500" overall length 0.709" all pressure connection thread length 3b all pressure connection thread class
- NIIN
- 011234361
- NIIN Date
- 12/12/81
- Schedule B
- 8536509065
- Name Code
- 00206
- FIIG
- A048B0
- Item Weight
- 2.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $583.10 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. | MIL-S-28788/1 | Cage 81349 |
| 2. | 158F26-1 | Cage 98087 |
Major End Users Countries and entities
- - Department of The Navy
- - Spain
- - Australia
- - Germany
- - Netherlands
- - Italy
- - Greece
- - Turkey
Availability for M28788/1-1 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)
- Unknown
- 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)
- Electrical appliances, small
- NMFC (national motor freight code)
- 061300 CIRCUIT BREAKER/SWITCH NOI
- UFC (universal freight code)
- 34410
Similar by Design Other switchs with similar characteristics
Nothing similar to this part number was found in our inventory
M28788/1-1 / Switch,pressureWhat is the formal definition of this item?
A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.
