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Datasheet. A31-331 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
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 head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.656in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
blind rivet w/smooth round shank
0.413in.
A measurement of the longest dimension of the nut,in distinction from width.
0.656in. ⁓21/32"
The area between the maximum and minimum thickness of material in which a specific blind rivet nut can be properly installed.
+0.256/+0.331in.
Indicates the type of end included on the shank.
closed
The national stock number or the identification information of the end equipment for which the item is a part.
4940-01-445-0086
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unc
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A designation that is used for the purpose of general identification of the thread.
0.312in. ⁓5/16"
The included angle of the head countersink.
99.0 degrees and 101.0 degrees
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.
head style has flat surface .004 before C-Sunk.
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 6053
Answers.
1EA
Aluminum alloy 6053
18
Flat countersunk
Right-hand
3b
Schedule B number: 7616995095
nmfc 093486
Articles of aluminum nesoi
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 5310-01-499-5060 NUT,PLAIN,BLIND RIVET
Used on 4940-01-445-0086. head style has flat surface .004 before c-sunk. 18 thread quantity per inch flat countersunk head style right-hand 3b thread class
- NIIN
- 014995060
- NIIN Date
- 07/25/02
- Schedule B
- 7616995095
- Name Code
- 01873
- FIIG
- A021A0
- QUP
- 1
- Historical Price
- $1.30 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
Major End Users Countries and entities
- - Department of The Army
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- 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
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
A31-331 / Nut,plain,blind rivetWhat is the formal definition of this item?
A metallic headed fastener having internal threads for a portion of the full length. it may have a smooth, hexagon or splined shank with an open or closed end. is designed to be expanded tightly against the material it is being installed in by means of a special tool. the item must have a specified grip range. the grip range is the thickness of the material the item is being installed in. see also nut (1) self-locking, blind rivet. excludes nut (1), sleeve.
