139C7968

139C7968 Packing Nut

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Datasheet. 139C7968 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2b

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

Err Default
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.260in. ⁓17/64"

Casehardening Indicator
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.

not casehardened

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.500in. ⁓1/2"

Thread Size
Designates the thread diameter and number of threads per specific measurement scale.

0.687-24

Largest Inside Diameter

0.680in.

Screw Thread Series Designator
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unef

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.800in. ⁓13/16"

Screw Thread Location
Indicates the location of the screw thread.

internal

Length To Shoulder

0.300in.

Smallest Inside Diameter
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.

0.490in.

Major Unthreaded Outside Diameter

0.880in.

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

aluminum alloy, QQ-A-225/8, alloy 6061, T6

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

aluminum alloy 6061

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.

anodize MIL-STD-171, finish 7.1.2

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

hexagon, internal thread, shouldered

Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.

anodize MIL-STD-171, finish 7.1.2

Answers.

What quantity is this sold in?

1EA

What is the style?

Hexagon, internal thread, shouldered

What material is the packing nut made of ?

Aluminum alloy 6061

What is the err default?

0.260 inches

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for 139C7968?

4730-00-531-2921

What's the federal classification of 139C7968?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-00-531-2921 PACKING NUT

hexagon, internal thread, shouldered anodize mil-std-171, finish 7.1.2 surface treated 0.500" overall length 0.260" err default right-hand 2b thread class

NIIN
005312921
NIIN Date
09/11/74
Schedule B
 
Name Code
18028
FIIG
T385-E
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$44.35 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

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
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)
Metal and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
013540 ALUM NUTS 
UFC (universal freight code)
05680 

Similar by Design Other packing nuts with similar characteristics

Nothing similar to this part number was found in our inventory

139C7968 / Packing nutWhat is the formal definition of this item?

An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. see also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. excludes packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.