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Datasheet. NAS1758-L20 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 nonmetallic design
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
hexagon
1.510in. ⁓1-33/64"
The national stock number or the identification information of the end equipment for which the item is a part.
mrap - common nsn - used on 2 mrap variants and 1 other weapon system
The shortest straight line between flats,perpendicular to the height.
1.699in. ⁓1-45/64"
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.
12
A designation that is used for the purpose of general identification of the thread.
1.250in. ⁓1-1/4"
Indicates the type of bearing surface.
flat
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
nut, SELF-Locking, extended washer, double hexagon, 220 ksi, 450 deg. f.
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.
material: alloy steel, 17-22A (uns K14675) per AMS6304, or 8740 (uns G87400) per AMS6322. /9/
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8740
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
uns G87400 national std all material responses
Answers.
1EA
Steel comp 8740
12
Right-hand
3b
Schedule B number: 8710000090
nmfc 093486
Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
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 5310-01-576-0600 NUT,SELF-LOCKING,HEXAGON
Used on mrap - common nsn - 2 mrap variants and 1 other weapon system. material: alloy steel, 17-22a (uns K14675) per AMS6304, or 8740 (uns G87400) per AMS6322. /9/ nut, self-locking, extended washer, double hexagon, 220 ksi, 450 deg. f. 12 thread quantity per inch right-hand 3b thread class
- NIIN
- 015760600
- NIIN Date
- 07/21/09
- Schedule B
- 8710000090
- Name Code
- 05277
- FIIG
- A021A0
- Item Weight
- 0.000lbs
- Item Dimensions
- QUP
- 1
- Historical Price
- $287.45 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
- - U.s. Marine Corps
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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
- Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
- 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
NAS1758-L20 / Nut,self-locking,hexagonWhat is the formal definition of this item?
A nut having a flat bottom and 6 sides. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, cap.
