31508

31508 Ribbed Shoulder Bolt

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Part Number:
Quantity Requested:
Your Email:
Full Name:
Contact Phone:
Company:

Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. 31508 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.

0.844in. and 0.906in. ⁓29/32"

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.

1.719in. and 1.871in. ⁓1-7/8"

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

pan no. 2

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

0.750in.

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

0.229in. and 0.239in. ⁓1/4"

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

0.526in. first shoulder and 0.531in. first shoulder

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

0.552in. first shoulder and 0.562in. 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.

0.552in. and 0.562in.

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

0.552in. and 0.562in.

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
The measurement from the largest diameter of the bearing surface of the head to the ribs.

0.062in.

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

0.500in. ⁓1/2"

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

casehardened

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

20

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.

110000 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.

20.0 rockwell c and 24.0 rockwell c

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.

ribbed first shoulder

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

steel comp 1020

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-S-634 fed spec 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.

cadmium

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 quantity is this sold in?

1EA

What class is the thread series?

Unf

What material is the ribbed shoulder bolt made of ?

Steel comp 1020

What is the thread quantity per inch?

20

What is the head style?

Pan no. 2

What is the thread length?

0.844 inches minimum and 0.906 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 31508?

5306-00-579-5406

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 31508?

FSC 5306 ⁓ Bolts

NSN 5306-00-579-5406 BOLT,RIBBED SHOULDER

unf thread series cadmium surface treated 20 thread quantity per inch pan no. 2 head style 0.844" thread length right-hand 2a thread class

NIIN
005795406
NIIN Date
01/01/63
Schedule B
7318152000 
Name Code
16014
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$0.53 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. 8528125 Cage 18876

Major End Users Countries and entities

  • - U.s. Marine Corps 
  • - Spain 
  • - Australia 
  • - Republic of Korea 
  • - Italy 
  • - Greece 
  • - Turkey 

Availability for 31508 A member of our team will provide you with a price and availability quote

Request a Quote »

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
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

31508 / 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.