SM-A-978341-2

SMA9783412 Self-locking Stud

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. SM-A-978341-2 specification

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

2a 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 Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.150in. nut thread and 0.190in. nut thread ⁓13/64"

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

0.160in. and 0.190in.

Head Length
A measurement of the longest dimension of a head,in distinction from width.

0.075in. and 0.085in.

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

SELF-Clinching head

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.235in. and 0.265in. ⁓17/64"

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

40 nut thread

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

0.112in. nut thread ⁓1/8"

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

steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 308 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

SELF-Locking

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 nut thread

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unc nut thread

What is the style?

Self-locking

What material is the self-locking stud made of ?

Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 308 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385

What is the thread quantity per inch?

40 nut thread

What is the thread length?

0.150 inches minimum nut thread and 0.190 inches maximum nut thread

What is the thread direction?

Right-hand nut thread

What is the thread class?

2a nut thread

What is the NSN for SM-A-978341-2?

5307-01-194-3198

What's the federal classification of SM-A-978341-2?

FSC 5307 ⁓ Studs

NSN 5307-01-194-3198 STUD,SELF-LOCKING

unc nut thread thread series self-locking 40 nut thread thread quantity per inch 0.235" overall length 0.150" nut thread thread length right-hand nut thread 2a nut thread thread class

NIIN
011943198
NIIN Date
11/13/84
Schedule B
 
Name Code
27783
FIIG
A051A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$19.18 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. NASM63540 Cage 80205
2. SM-A-97834-2 Cage 80063
3. M63540/1-6C Cage 80205
4. 216702-1 Cage 00752
5. M63540/1-6C Cage 81349
6. MIL-S-63540/1 Cage 81349
7. 10116458 Cage A486G

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Air Force 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Finland 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Canada 
  • - France 
  • - Turkey 

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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 studs with similar characteristics

Nothing similar to this part number was found in our inventory

SM-A-978341-2 / Stud,self-lockingWhat is the formal definition of this item?

A headed fastener threaded externally on a portion or on the full length of the shank. the head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. it is securely locked in position by the displaced metal. for items that require locking rings, see bolt, self-locking and stud, locked in. excludes insert, screw thread.