BACB30US4K12H

BACB30US4K12H Shear Bolt

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Datasheet. BACB30US4K12H 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.

0.500in. ⁓1/2"

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.

1.235in. and 1.265in. ⁓1-17/64"

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

double hexagon extended washer

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

0.235in. ⁓1/4"

Width Between Flats

0.304in. and 0.313in.

Extended Washer Diameter

0.465in. and 0.475in.

Extended Washer Thickness

0.042in.

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.050in. and 0.060in. ⁓1/16"

Grip Diameter
The length of a straight line which passes through the center of the grip,and terminates at the circumference.

0.2485in. and 0.2495in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

B-1B

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

0.250in. ⁓1/4"

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

0.740in. and 0.760in.

Hole Quantity
The number of holes provided.

4

Hole Type
Indicates the type of hole(s) provided in the item.

drilled

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

28

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.

220000 pounds per square inch

Hole Configuration Style
The style designation that most nearly corresponds to the appearance of the hole configuration.

double hexagon flats

Special Features
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.

requested name -tension bolt

Color
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.

black threads

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

nickel alloy 718

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.

ams 5662 assn std single material response

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.

aluminum

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.

MIL-C-85614 mil spec single treatment response

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.

unjf

Answers.

What class is the thread series?

Unjf

What material is the shear bolt made of ?

Nickel alloy 718

What is the thread quantity per inch?

28

What is the grip length?

0.740 inches minimum and 0.760 inches maximum

What is the inside hole diameter?

0.050 inches minimum and 0.060 inches maximum

What is the head style?

Double hexagon extended washer

What is the thread length?

0.500 inches

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for BACB30US4K12H?

5306-01-445-3709

How is this classified for shipping?

Schedule B number: 7508900000
nmfc 093486
Other articles of nickel (excluding cloth, grill & netting of nickel wire)

What's the federal classification of BACB30US4K12H?

FSC 5306 ⁓ Bolts

NSN 5306-01-445-3709 BOLT,SHEAR

Used on B-1B. unjf thread series aluminum surface treated requested name -tension bolt 28 thread quantity per inch 0.740" grip length 0.050" hole diameter double hexagon extended washer head style 0.500" thread length right-hand 3a thread class

NIIN
014453709
NIIN Date
05/30/97
Schedule B
7508900000 
Name Code
15903
FIIG
A003B0
QUP
 
Historical Price
$9.15 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. BACB30US4K12 Cage Z03F0
2. BACB30US4K12 Cage Z8T75
3. LE111-0067A3412 Cage 43999

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Australia 

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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)
50.0
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)
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 bolts with similar characteristics

Nothing similar to this part number was found in our inventory

BACB30US4K12H / Bolt,shearWhat is the formal definition of this item?

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. the head is designed to accommodate an external wrench or driver. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. the unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. a locking feature may be incorporated in the design of the head or threads. see bolt, machine and bolt, clevis.