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Datasheet. 731443-4 specification
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
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
knurled
1.875in.
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.
1.000in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
nut, adjusting
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.
2 thru holes 5/16 in. dia, 90 deg apart; medium knurl on external surface; center hole 1 in.- 14 n.f. - 3 thru; brinell hardness 240-311
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1144
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.
phosphate manganese
Answers.
Steel comp 1144
Right-hand
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 5310-01-613-3920 NUT,PLAIN,KNURLED
phosphate manganese surface treated 2 thru holes 5/16 in. dia, 90 deg apart; medium knurl on external surface; center hole 1 in.- 14 n.f. - 3 thru; brinell hardness 240-311 nut, adjusting right-hand
- NIIN
- 016133920
- NIIN Date
- 11/06/12
- Schedule B
- Name Code
- 15886
- 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
Major End Users Countries and entities
- - Republic of Korea
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731443-4 / Nut,plain,knurledWhat is the formal definition of this item?
A nut, round in shape, having all or part of its outer surface knurled. it may have provisions for external wrenching. for items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. see also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
