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Datasheet. MS21057L4K 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
A substance designed to provide a reduction of friction between the two surfaces in contact.
dry film lubricant
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.
0.955in. ⁓31/32"
0.340in. ⁓11/32"
A measurement of the smallest dimension of a plate,in distinction from length or width.
0.055in.
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
0.495in. and 0.505in.
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
450.0 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 numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
49.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
0.250in. ⁓1/4"
The included angle of the countersink.
99.0 degrees nut and 101.0 degrees nut
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
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.
cadmium
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416 fed spec single treatment response
Answers.
1EA
Steel
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 5310-00-774-7167 NUT,SELF-LOCKING,PLATE
cadmium surface treated 28 thread quantity per inch right-hand 3b thread class
- NIIN
- 007747167
- NIIN Date
- 01/01/60
- Schedule B
- 7318160000
- Name Code
- 05280
- FIIG
- A021A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $8.50 EA
- 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. | K3100-4BC | Cage 15653 |
| 2. | K3100-4BC | Cage 75237 |
| 3. | 15620-048BC | Cage 80539 |
| 4. | 15620-048BC | Cage 56878 |
| 5. | T7SH428BC | Cage 11815 |
Major End Users Countries and entities
- - Department of The Air Force
- - Department of The Navy
- - New Zealand
- - Republic of Korea
- - Greece
Availability for MS21057L4K 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
MS21057L4K / 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.
