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Datasheet. NS202789-4-4E 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.
0.300in. first end
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.
1.050in. ⁓1-1/16"
0.485in. ⁓1/2"
A measurement of the smallest dimension of a plate,in distinction from length or width.
0.035in.
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.
0.250in. first end
The means by which the nut is mounted.
straight holes
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 measurement of the center to center distance between the mounting holes along the width.
0.705in. and 0.707in.
The national stock number or the identification information of the end equipment for which the item is a part.
B-2 aircraft
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.
28
A designation that is used for the purpose of general identification of the thread.
0.250in. ⁓1/4"
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.
height is 0.745 in. max
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660 nut
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660 shell
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660 washer
The chemical compound or mechanical mixture properties of which the item is fabricated.
rubber silicone class q seal or rubber fluorosilicone class fq seal
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 3304 assn std 1st material response seal or MIL-R-25988 mil spec 2nd material response seal
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 nut or ams 5731 assn std single material response nut or ams 5737 assn std single material response nut
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 shell or ams 5731 assn std single material response shell or ams 5737 assn std single material response shell
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 washer or ams 5731 assn std single material response washer or ams 5737 assn std single material response washer
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.
passivate nut
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.
passivate shell
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.
passivate washer
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-35 fed spec single treatment response nut
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-35 fed spec single treatment response shell
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-35 fed spec single treatment response washer
Answers.
1EA
Rubber silicone class q seal or rubber fluorosilicone class fq seal
Iron alloy 660 washer
Iron alloy 660 shell
Iron alloy 660 nut
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 5310-01-533-3186 NUT,SELF-LOCKING,PLATE
Used on b-2 aircraft. passivate washer surface treated height is 0.745 in. max 28 thread quantity per inch right-hand 3b thread class
- NIIN
- 015333186
- NIIN Date
- 09/12/05
- Schedule B
- 7318160000
- Name Code
- 05280
- FIIG
- A021A0
- QUP
- 1
- Historical Price
- $57.23 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 03A231-4-4L | Cage 76823 |
| 2. | F53004-4-4 | Cage 15653 |
Major End Users Countries and entities
- - Department of The Air Force
Availability for NS202789-4-4E A member of our team will provide you with a price and availability quote
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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
- Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft
- Commodity (for shipments via water)
- Metal hardware
- 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
NS202789-4-4E / 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.
