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Datasheet. NAS577B20A 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 style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
floating SELF-Locking barrel
2.119in. and 2.122in.
A measurement of the longest dimension of the nut,in distinction from width.
2.342in. and 2.362in. ⁓2-3/8"
1.310in. and 1.320in.
1.813in. ⁓1-53/64"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unjf
Those features,not otherwise specified,which may be required for proper functioning of the item.
floating nut
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
39.0 rockwell c and 46.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
1.250in. ⁓1-1/4"
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8740 or steel comp 4340
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-6049 mil spec 1st material response or ms 6322 fed spec single material response or MIL-S-8844, cl 1 mil spec 2nd material response
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 and chromate
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, ty 2, cl 2 fed spec single treatment response
The document designator of the specification or standard which established the item of supply.
80205-NAS577 professional/industrial association standard
Answers.
Steel comp 8740 or steel comp 4340
12
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 5310-01-210-3874 NUT,SELF-LOCKING,BARREL
cadmium surface treated 12 thread quantity per inch right-hand 3b thread class
- NIIN
- 012103874
- NIIN Date
- 06/12/85
- Schedule B
- 7318160000
- Name Code
- 15891
- FIIG
- A021A0
- Item Weight
- 1.000lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $420.38 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
- - Department of The Air Force
- - Singapore
- - Australia
- - United Kingdom
- - Netherlands
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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
NAS577B20A / Nut,self-locking,barrelWhat is the formal definition of this item?
A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. ends may be flat or flanged. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, round.
