NAS1251-2-7

NAS125127 Ring Bolt
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Datasheet. NAS1251-2-7 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.

0.622in. and 0.642in. ⁓21/32"

Shank Length
A measurement of the longest dimension of the shank,in distinction from width.

0.602in. and 0.662in.

Eye Stock Diameter

0.562in.

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

0.368in. and 0.373in.

Shoulder Length
The length of the enlarged portion/s/ located on the shank of the item.

0.427in. and 0.447in.

Ring Stock Diameter
The length of a straight line which passes through the center of the ring stock,and terminates at the circumference.

0.230in. and 0.270in.

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

0.312in. ⁓5/16"

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.

160000 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 40.0 rockwell c

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

steel comp E4340 or steel comp 4140 or steel comp 8735 or steel comp 8740 or steel comp 6150

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 or zinc and chromate

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-416 ty 2 cl 3 fed spec 1st treatment response or astm B633 ty 2 cl 3 assn std 2nd treatment response

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

swivel

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

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

80205-NAS1251 professional/industrial association standard

Answers.

What class is the thread series?

Unjf

What is the style?

Swivel

What material is the ring bolt made of ?

Steel comp e4340 or steel comp 4140 or steel comp 8735 or steel comp 8740 or steel comp 6150

What is the thread quantity per inch?

24

What is the thread length?

0.622 inches minimum and 0.642 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for NAS1251-2-7?

5306-01-253-5378

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 NAS1251-2-7?

FSC 5306 ⁓ Bolts

NSN 5306-01-253-5378 BOLT,RING

unjf thread series swivel cadmium surface treated 24 thread quantity per inch 0.622" thread length right-hand 3a thread class

NIIN
012535378
NIIN Date
04/20/87
Schedule B
7318152000 
Name Code
01832
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
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

  • - Canada 

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Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

NAS1251-2-7 / Bolt,ringWhat is the formal definition of this item?

A bolt, eye having a nonremovable ring assembled in the eye.