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Datasheet. A181-68 specification
Items furnished as accessories which are not specified elsewhere.
bolt
The length of a straight line which passes through the center of a bolt circle,and terminates at the circumference.
4.750in.
The length of a straight line which passes through the center of a flange,and terminates at the circumference.
6.000in.
A measurement of the smallest dimension of an item,in distinction from length or width.
0.690in. ⁓45/64"
The industrial designation or term used to define the nominal diameter of pipe for which the item is designed.
2.000in.
The number of bolt holes provided on the item.
4
The length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.
0.750in.
A measurement from the bottom to the top surface of a raised face,in distinction from depth.
0.060in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the flange section.
raised face (blind)
The condition of the face seating surface of an item which contacts another surface.
machined
The maximum pressure at which an item is rated to operate for each type of service with which an item may be used.
150.0 pounds per square inch any acceptable
A rating which expresses the degree of heat or cold as applied to the operation,or limitation of operation,for each type of service with which an item may be used.
100.0 deg fahrenheit any acceptable
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
A181-68, grade i assn std single material response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
round, one bolt hole circle
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
i type and f style
Answers.
Round, one bolt hole circle
Steel
4
Schedule B number: 7307912000
Flanges of iron or nonalloy steel
FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings
Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).
NSN 4730-01-055-2660 FLANGE,PIPE,BLIND
round, one bolt hole circle 4 bolt hole quantity
- NIIN
- 010552660
- NIIN Date
- 02/04/78
- Schedule B
- 7307912000
- Name Code
- 03793
- FIIG
- A23300
- 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. | B16.5 | Cage 05047 |
| 2. | MIL-F-18180 | Cage 81349 |
| 3. | ASAB16.5 | Cage 05047 |
Major End Users Countries and entities
- - National Aeronautics And Space Administration
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A181-68 / Flange,pipe,blindWhat is the formal definition of this item?
An item used for covering or closing the end of a flanged pipe fitting. the face may be drilled for connecting bolts or studs. excludes flange, pipe.
