SS27576-6-74

SS27576674 Shear Bolt

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Datasheet. SS27576-6-74 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.

0.377in. and 0.419in. ⁓27/64"

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.

5.164in. and 5.184in. ⁓5-3/16"

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

crowned hexagon

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

0.189in. and 0.204in. ⁓7/32"

Width Between Flats

0.553in. and 0.564in.

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

0.120in. and 0.166in.

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

0.106in. first hole and 0.116in. first hole

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

HH-3F helicopter

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

0.373in. ⁓3/8"

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

4.625in. and 4.641in.

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

24

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.

11540 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.

36.0 rockwell c and 41.0 rockwell c

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

56.0 rockwell c locking feature and 60.0 rockwell c locking feature

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

feat

Distance From Head Largest Bearing Surface To Shank Hole Center
The distance from the shank hole centerline to the largest bearing surface of the head.

5.059in. first hole and 5.069in. first hole

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.

for use in critical applications; used as: bolt, SELF-Retaining, impedance type, 95ksi fsu, hex head, 450f; use MS21244 nuts with these bolts

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

steel comp 302 spring or steel comp 304 spring or steel comp 631 spring

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

steel comp 4340

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

steel corrosion resisting locking feature

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.

MIL-B-83050 mil spec single material response locking feature

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.

MIL-S-8844, class i mil spec single material response

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.

QQ-W-423 fed spec single material response spring or AMS5678 assn std single material response spring

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

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.

passivate locking feature

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.

passivate spring

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.

AMS2501-3 assn std single treatment response

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-35 fed spec single treatment response locking feature

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 ?

Steel corrosion resisting locking feature

What material is the shear bolt made of ?

Steel comp 4340

What material is the shear bolt made of ?

Steel comp 302 spring or steel comp 304 spring or steel comp 631 spring

What is the thread quantity per inch?

24

What is the grip length?

4.625 inches minimum and 4.641 inches maximum

What is the head style?

Crowned hexagon

What is the thread length?

0.377 inches minimum and 0.419 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for SS27576-6-74?

5306-01-469-6080

How is this classified for shipping?

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

What's the federal classification of SS27576-6-74?

FSC 5306 ⁓ Bolts

NSN 5306-01-469-6080 BOLT,SHEAR

Used on hh-3f helicopter. unjf thread series passivate spring surface treated for use in critical applications; used as: bolt, self-retaining, impedance type, 95ksi fsu, hex head, 450f; use MS21244 nuts with these bolts 24 thread quantity per inch 4.625" grip length crowned hexagon head style 0.377" thread length right-hand 3a thread class

NIIN
014696080
NIIN Date
11/16/99
Schedule B
7318152000 
Name Code
15903
FIIG
A003B0
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

Major End Users Countries and entities

  • - Italy 

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Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

SS27576-6-74 / 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.