MS51948-3

MS519483 Ribbed Shoulder Bolt

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Datasheet. MS51948-3 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.

1.380in. and 1.410in. ⁓1-27/64"

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.

2.450in. ⁓2-29/64"

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

flat chamfer

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

1.000in.

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

0.200in. ⁓13/64"

Shoulder Diameter
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.

0.520in. first shoulder and 0.525in. first shoulder

Shoulder Length
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.

0.780in. first shoulder

Rib Major Diameter
The length of a straight line which passes through the center of the rib,and terminates at the outermost surface of the circumference.

0.550in. and 0.560in.

Rib Length
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.

0.380in.

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

0.437in. ⁓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.

20

Shoulder Shape
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.

round first shoulder

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

steel

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 and chromate

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

Answers.

What class is the thread series?

Unf

What material is the ribbed shoulder bolt made of ?

Steel

What is the thread quantity per inch?

20

What is the head style?

Flat chamfer

What is the thread length?

1.380 inches minimum and 1.410 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for MS51948-3?

5306-00-787-7100

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of MS51948-3?

FSC 5306 ⁓ Bolts

NSN 5306-00-787-7100 BOLT,RIBBED SHOULDER

unf thread series cadmium surface treated 20 thread quantity per inch flat chamfer head style 1.380" thread length right-hand 2a thread class

NIIN
007877100
NIIN Date
01/01/60
Schedule B
7318152000 
Name Code
16014
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$16.68 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
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. 10924606 Cage 00000
2. 49081 Cage 33116

Major End Users Countries and entities

  • - Department of The Army 
  • - U.s. Marine Corps 
  • - Republic of Korea 

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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 bolts with similar characteristics

Nothing similar to this part number was found in our inventory

MS51948-3 / Bolt,ribbed shoulderWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter. it has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. the minor diameter of the ribs must be greater than the major diameter of the threads. see also bolt, ribbed neck.