NAS1271-10

NAS127110 Machine Bolt

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Datasheet. NAS1271-10 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.

0.485in. ⁓1/2"

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.

1.095in. and 1.125in. ⁓1-1/8"

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

double hexagon extended washer

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

0.290in. and 0.310in. ⁓5/16"

Width Between Flats

0.306in. and 0.315in.

Extended Washer Diameter

0.360in.

Extended Washer Thickness

0.059in. and 0.079in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

reconnaissance aircraft, nimrod 2000

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

0.250in. ⁓1/4"

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

0.615in. and 0.635in.

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

finished head

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

28

Surface Finish
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.

16.0 microinches threads

Surface Finish
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.

63.0 microinches bearing surface of head

Surface Finish
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.

63.0 microinches grip

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

titanium alloy uns R56400

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.

AS-4967 assn std single material response

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-NAS1271 professional/industrial association standard

Answers.

What class is the thread series?

Unjf

What material is the machine bolt made of ?

Titanium alloy uns r56400

What is the thread quantity per inch?

28

What is the grip length?

0.615 inches minimum and 0.635 inches maximum

What is the head style?

Double hexagon extended washer

What is the thread length?

0.485 inches

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for NAS1271-10?

5306-01-569-1614

How is this classified for shipping?

Schedule B number: 8108908000
Other wrought titanium

What's the federal classification of NAS1271-10?

FSC 5306 ⁓ Bolts

NSN 5306-01-569-1614 BOLT,MACHINE

Used on reconnaissance aircraft, nimrod 2000. unjf thread series 28 thread quantity per inch 0.615" grip length double hexagon extended washer head style 0.485" thread length right-hand 3a thread class

NIIN
015691614
NIIN Date
11/20/08
Schedule B
8108908000 
Name Code
01847
FIIG
A003B0
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

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Nothing similar to this part number was found in our inventory

NAS1271-10 / Bolt,machineWhat is the formal definition of this item?

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.