381MAK1

381MAK1 Packing Nut

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Datasheet. 381MAK1 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

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

0.500in. ⁓1/2"

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.

1.437in. ⁓1-7/16"

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

1-7/8-12

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.

un

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

2.000in. and 2.062in. ⁓2-1/16"

Screw Thread Location
Indicates the location of the screw thread.

external

Length To Shoulder

1.143in.

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.

1.125in.

Major Unthreaded Outside Diameter

1.623in.

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

bronze

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

copper alloy

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

hexagon, internal thread, shouldered

Answers.

What quantity is this sold in?

1EA

What is the style?

Hexagon, internal thread, shouldered

What material is the packing nut made of ?

Copper alloy

What is the err default?

0.500 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 381MAK1?

4730-00-881-9614

What's the federal classification of 381MAK1?

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 4730-00-881-9614 PACKING NUT

hexagon, internal thread, shouldered 1.437" overall length 0.500" err default right-hand 2a thread class

NIIN
008819614
NIIN Date
01/01/62
Schedule B
 
Name Code
18028
FIIG
T385-E
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$140.55 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. A6947 Cage 95953
2. B7811-4 Cage 46717
3. P67530 Cage 04285

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 hardware 
NMFC (national motor freight code)
093460 BOLTS/NUTS NOI BBC/ZINC 
UFC (universal freight code)
48930 

Similar by Design Other packing nuts with similar characteristics

Nothing similar to this part number was found in our inventory

381MAK1 / 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.