NAS1251A25-86

NAS1251A2586 Ring Bolt
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Datasheet. NAS1251A25-86 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.

1.095in. and 1.155in. ⁓1-5/32"

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

1.095in. and 1.155in.

Eye Stock Diameter

1.375in.

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

0.993in. and 0.998in.

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

5.375in.

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

0.687in.

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

2.380in. and 2.620in.

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

0.750in. ⁓3/4"

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

16

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

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

threads undercut for relief, 0.125 in. max. undercut length

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

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

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-S-5000 mil spec 1st material response or MIL-S-5626 mil spec 2nd material response or MIL-S-6049 mil spec 3rd material response or MIL-S-6098 mil spec 4th 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 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 QQ-Z-325 ty 2 cl 3 fed spec 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 8740 or steel comp 8735

What is the thread quantity per inch?

16

What is the thread length?

1.095 inches minimum and 1.155 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for NAS1251A25-86?

5306-01-398-1262

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 NAS1251A25-86?

FSC 5306 ⁓ Bolts

NSN 5306-01-398-1262 BOLT,RING

unjf thread series swivel cadmium surface treated threads undercut for relief, 0.125 in. max. undercut length 16 thread quantity per inch 1.095" thread length right-hand 3a thread class

NIIN
013981262
NIIN Date
10/25/94
Schedule B
7318152000 
Name Code
01832
FIIG
A003B0
QUP
 
Historical Price
$20.00 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

Major End Users Countries and entities

  • - Department of The Air Force 

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Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

NAS1251A25-86 / Bolt,ringWhat is the formal definition of this item?

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