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Datasheet. 8724978 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
0.990in. and 1.010in.
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.
0.615in. nut and 0.635in. nut
The distance measured in a straight line from the bottom to the top of an item.
0.680in. and 0.700in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
hexagon
0.110in. and 0.130in.
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.
0.010in. nut and 0.030in. nut
The shortest straight line between flats,perpendicular to the height.
0.865in. and 0.875in. ⁓7/8"
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unf
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
26.0 rockwell c and 32.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
0.625in. ⁓5/8"
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.
125 microinches rms all over except 32 microinches rms on washer face
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4140 or steel comp 8640 or 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.
QQ-S-624 fed spec 1st material response or QQ-S-624 fed spec 2nd material response or QQ-S-624 fed spec 3rd material response
Answers.
1EA
Steel comp 4140 or steel comp 8640 or steel comp 8740
18
Right-hand
3b
Schedule B number: 7318160000
nmfc 093483
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 5310-00-655-9937 NUT,SELF-LOCKING,EXTENDED WASHER
125 microinches rms all over except 32 microinches rms on washer face 18 thread quantity per inch right-hand 3b thread class
- NIIN
- 006559937
- NIIN Date
- 01/01/63
- Schedule B
- 7318160000
- Name Code
- 29730
- FIIG
- A021A0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $7.25 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. | CS-2300-0001 | Cage 16236 |
| 2. | 5310006559937 | Cage SCY13 |
Major End Users Countries and entities
- - Department of The Army
- - Austria
- - Spain
- - Morocco
- - Republic of Korea
- - Portugal
- - Greece
Availability for 8724978 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)
- 60.0
- 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)
- 093483 BOLTS,NUTS OR SCREWS,NOI IRON OR
- UFC (universal freight code)
- 48950
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
8724978 / Nut,self-locking,extended washerWhat is the formal definition of this item?
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. an integral feature is incorporated for locking on the threads of a mating member.
