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Datasheet. 21AX761 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2b
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
0.790in. and 0.820in.
The distance measured in a straight line from the bottom to the top of an item.
0.318in. and 0.342in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
hexagon
0.036in. and 0.050in.
The shortest straight line between flats,perpendicular to the height.
0.489in. and 0.500in. ⁓1/2"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
A designation that is used for the purpose of general identification of the thread.
0.3125in. ⁓21/64"
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
nut, LOCK-Machine screw hex serrated large washer head
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.
finish:zinc chromate; typical useage:sheet metal fasteners
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
chromate zinc
Answers.
24
Right-hand
2b
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 5310-01-552-7995 NUT,PLAIN,EXTENDED WASHER,HEXAGO
chromate zinc surface treated finish:zinc chromate; typical useage:sheet metal fasteners nut, lock-machine screw hex serrated large washer head 24 thread quantity per inch right-hand 2b thread class
- NIIN
- 015527995
- NIIN Date
- 06/25/07
- Schedule B
- Name Code
- 04889
- FIIG
- A021A0
- 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. | 25097981 | Cage Z4117 |
Major End Users Countries and entities
- - Australia
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21AX761 / Nut,plain,extended washer,hexagoWhat is the formal definition of this item?
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
