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Datasheet. M-2281 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
RIGHT-Hand
0.156in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
round
4.938in.
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.
0.562in.
0.370in.
4
Indicates the type and number of holes provided.
4 tapped
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
uns
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12
A designation that is used for the purpose of general identification of the thread.
3.6398in. ⁓3-41/64"
The number of hole threads per linear inch measured on a line parallel to the thread axis.
18
The style designation that most nearly corresponds to the appearance of the hole configuration.
configuration j
The nominal length of a straight line which passes through the center of the threaded hole,and terminates at the circumference.
0.312in.
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.
4.245-4.255 in. bolt circle dia
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
Answers.
Steel
12
Right-hand
3
Schedule B number: 7318160000
Nuts of iron or steel
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-01-233-9779 NUT,PLAIN,ROUND
4.245-4.255 in. bolt circle dia 12 thread quantity per inch right-hand 3 thread class
- NIIN
- 012339779
- NIIN Date
- 06/05/86
- Schedule B
- 7318160000
- Name Code
- 15887
- FIIG
- A021A0
- 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. | M-2281-AH | Cage 61208 |
| 2. | M2281AH | Cage U2621 |
| 3. | M2281AH | Cage K2171 |
Major End Users Countries and entities
- - Israel
- - Malaysia
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M-2281 / Nut,plain,roundWhat is the formal definition of this item?
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. for items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. see also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
