3178755-1

31787551 Shouldered And Stepped Stud

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Quality Commitment

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Datasheet. 3178755-1 specification

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

2a stud thread

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

3a nut thread

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 nut thread

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 stud thread

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

0.157in. nut thread ⁓11/64"

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

0.423in. stud thread ⁓7/16"

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

56 stud thread

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

80 nut thread

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.060in. nut thread ⁓1/16"

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.086in. stud thread ⁓3/32"

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

titanium alloy

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-T-9047 mil spec single material 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.

unc stud thread

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 nut thread

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf nut thread

What class is the thread series?

Unc stud thread

What material is the shouldered and stepped stud made of ?

Titanium alloy

What is the thread quantity per inch?

80 nut thread

What is the thread quantity per inch?

56 stud thread

What is the thread length?

0.423 inches minimum stud thread

What is the thread length?

0.157 inches minimum nut thread

What is the thread direction?

Right-hand stud thread

What is the thread direction?

Right-hand nut thread

What is the thread class?

3a nut thread

What is the thread class?

2a stud thread

What is the NSN for 3178755-1?

5307-00-009-2686

What's the federal classification of 3178755-1?

FSC 5307 ⁓ Studs

NSN 5307-00-009-2686 STUD,SHOULDERED AND STEPPED

unf nut thread thread series 80 nut thread thread quantity per inch 0.423" stud thread thread length right-hand stud thread 3a nut thread thread class

NIIN
000092686
NIIN Date
08/02/72
Schedule B
 
Name Code
15944
FIIG
A051A0
QUP
Historical Price
$928.43 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

  • - Defense Logistics Agency 

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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
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 studs with similar characteristics

Nothing similar to this part number was found in our inventory

3178755-1 / Stud,shouldered and steppedWhat is the formal definition of this item?

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends, on which the nominal diameter of one threaded section is greater than the other. all or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. it may be thread relieved. excludes items with tapered threads. see also stud, locked in.