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Serving our customers with quality and safety first.
- AS9120 Certified
- Audited supply chain
- ITAR Registered
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- Customer service objectives
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Datasheet. KFN556-3 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
0.348in.
The distance measured in a straight line from the bottom to the top of an item.
0.301in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
hexagon
0.088in. and 0.092in.
The shortest straight line between flats,perpendicular to the height.
0.243in. and 0.251in. ⁓17/64"
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.
32
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
39.0 rockwell c and 43.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
0.190in. ⁓13/64"
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.
cetyl alcohol lubricant per MIL-L-87132, ty 1, grade a
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic polytetrafluoroethylene washer
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8740 nut or steel comp E4340 nut
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-P-19468 mil spec single material response washer
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 nut or MIL-S-5000 mil spec 2nd material response 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.
cadmium nut and chromate 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-416, ty 2, cl 2 fed spec single treatment response nut
Answers.
5EA
Steel comp 8740 nut or steel comp e4340 nut
Plastic polytetrafluoroethylene washer
32
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 5310-01-223-6531 NUT,SELF-LOCKING,EXTENDED WASHER
cadmium nut surface treated cetyl alcohol lubricant per mil-l-87132, ty 1, grade a 32 thread quantity per inch right-hand 3b thread class
- NIIN
- 012236531
- NIIN Date
- 01/04/86
- Schedule B
- 7318160000
- Name Code
- 29730
- FIIG
- A021A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 5
- Historical Price
- $2.95 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. | BH00529-3 | Cage 27238 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Air Force
- - Poland
- - Brazil
- - Spain
- - Australia
- - Belgium
- - Canada
- - New Zealand
- - Republic of Korea
- - United Kingdom
- - Philippines
- - Norway
- - Greece
Availability for KFN556-3 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
- 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
KFN556-3 / 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.
