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Serving our customers with quality and safety first.
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Datasheet. MK1031-4BC 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
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
prevailing torque all metal design
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
0.254in. nut
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.
0.098in. and 0.103in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
plate
A measurement of the longest dimension of the nut,in distinction from width.
0.786in. ⁓51/64"
0.281in. ⁓9/32"
A measurement of the smallest dimension of a plate,in distinction from length or width.
0.055in.
A measurement taken at right angles to the length of a plate,in distinction from thickness.
0.414in.
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.
0.062in. nut
The means by which the nut is mounted.
countersunk holes
The side of the plate that the countersink or welding projections are located.
opposite nut projection side
The style designation indicating the configuration that most nearly corresponds to the arrangement of the mounting hole(s).
2 holes
0.281in.
A measurement of the center to center distance between the mounting holes along the length.
0.560in. and 0.564in.
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
800.0 deg fahrenheit
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unjf
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
A designation that is used for the purpose of general identification of the thread.
0.250in. ⁓1/4"
The included angle of the mounting hole countersink.
98.0 degrees and 102.0 degrees
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5525 assn std single material response
Identification of the precious material contained in the item.
silver
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.
silver
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
ams 2410 assn std single treatment response
The document designator of the specification or standard which established the item of supply.
80205-NAS697 professional/industrial association standard
Answers.
Steel corrosion resisting
28
Right-hand
3b
Schedule B number: 7318160000
nmfc 093486
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 5310-00-990-3446 NUT,SELF-LOCKING,PLATE
silver surface treated 28 thread quantity per inch right-hand 3b thread class
- NIIN
- 009903446
- NIIN Date
- 01/01/60
- Schedule B
- 7318160000
- Name Code
- 05280
- FIIG
- A021A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $3.65 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Contains silver
- 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. | NASM21070 | Cage 80205 |
| 2. | MA12700-038BC | Cage 80539 |
| 3. | VN202B2-048 | Cage 92215 |
| 4. | MT2C428BC | Cage 71087 |
| 5. | LHTA51M2880-0488C | Cage 019L2 |
| 6. | NASM21070-4K | Cage 80205 |
| 7. | MS21070-4K | Cage 96906 |
| 8. | LHTA51M2880-0488C | Cage 72962 |
| 9. | MT2C428BC | Cage 11815 |
| 10. | MA12700-038BC | Cage 56878 |
| 11. | NAS697C4K | Cage 80205 |
Major End Users Countries and entities
- - Department of The Navy
Availability for MK1031-4BC A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- 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
MK1031-4BC / Nut,self-locking,plateWhat is the formal definition of this item?
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. an integral feature is incorporated for locking on the threads of a mating member.
