955109-1

9551091 Setscrew

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Quality Commitment

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Datasheet. 955109-1 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

Thread Direction
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

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.295in. and 0.305in. ⁓5/16"

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

0.395in. and 0.435in. ⁓7/16"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

flat chamfer

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.320in. and 0.325in.

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.100in. and 0.130in. ⁓9/64"

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

strip threads

Point Length
A measurement of the longest dimension of the point,in distinction from width.

0.030in. and 0.050in.

Point Diameter
The length of a straight line which passes through the center of a circular point,and terminates at the circumference.

0.320in. and 0.325in.

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

chamfer dog

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

hexagon

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.500in. ⁓1/2"

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.250in. ⁓1/4"

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

20

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

45.0 rockwell c fastener and 53.0 rockwell c fastener

Point Chamfer Angle

40.0 degrees and 50.0 degrees

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

plastic polyamide locking featuresteel comp 4037 fastener or steel comp 4137 fastener or steel comp 8630 fastener or steel comp 8740 fastener

Surface Treatment
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 fastener and chromate fastener

Surface Treatment Document And Classification
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 fastener

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Answers.

What class is the thread series?

Unf

What material is the setscrew made of ?

Plastic polyamide locking featuresteel comp 4037 fastener or steel comp 4137 fastener or steel comp 8630 fastener or steel comp 8740 fastener

What is the thread quantity per inch?

20

What is the head style?

Flat chamfer

What is the thread length?

0.295 inches minimum and 0.305 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 955109-1?

5305-01-341-8530

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 955109-1?

FSC 5305 ⁓ Screws

NSN 5305-01-341-8530 SETSCREW

unf thread series cadmium fastener surface treated 20 thread quantity per inch flat chamfer head style 0.295" thread length right-hand 3a thread class

NIIN
013418530
NIIN Date
07/10/91
Schedule B
7318152000 
Name Code
06672
FIIG
A003B0
Item Weight
1.200lbs
Item Dimensions
--
QUP
 
Historical Price
$18.60 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 Navy 

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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 setscrews with similar characteristics

Nothing similar to this part number was found in our inventory

955109-1 / SetscrewWhat is the formal definition of this item?

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.