B1821BH050F125L

B1821BH050F125L Cap Hexagon Head Screw

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Quality Commitment

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Datasheet. B1821BH050F125L specification

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

2a

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.

1.063in. and 1.250in. ⁓1-1/4"

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.

1.188in. and 1.250in. ⁓1-1/4"

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

hexagon

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

0.302in. and 0.323in. ⁓21/64"

Width Between Flats

0.736in. and 0.750in.

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

patch threads or strip threads

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"

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

finished head

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

20

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

150000 pounds per square inch

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

32.0 rockwell c fastener and 38.0 rockwell c fastener

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

plastic polyamide locking feature

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

steel fastener

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

sae J429 grade 8 assn std single material response 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.

zinc 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.

astm B633 ty 2 sc 3 assn std 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

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

2 type and 10p style and 8 grade

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf

What material is the cap hexagon head screw made of ?

Steel fastener

What material is the cap hexagon head screw made of ?

Plastic polyamide locking feature

What is the thread quantity per inch?

20

What is the head style?

Hexagon

What is the thread length?

1.063 inches minimum and 1.250 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for B1821BH050F125L?

5305-01-175-9271

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 156600
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of B1821BH050F125L?

FSC 5305 ⁓ Screws

NSN 5305-01-175-9271 SCREW,CAP,HEXAGON HEAD

unf thread series zinc fastener surface treated 20 thread quantity per inch hexagon head style 1.063" thread length right-hand 2a thread class

NIIN
011759271
NIIN Date
04/06/84
Schedule B
7318152000 
Name Code
18257
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$134.53 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. FF-S-85 Cage 81348
2. MS90727-111L Cage 96906

Major End Users Countries and entities

  • - Department of The Air Force 
  • - 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)
Food sercive equipment, (mkt), field ranges, vacuum cans, beverage containers, etc 
NMFC (national motor freight code)
156600 PLASTIC/RUBBER ARTICLE VIZ: 
UFC (universal freight code)
77670 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

B1821BH050F125L / Screw,cap,hexagon headWhat is the formal definition of this item?

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.