E-171-422-B PIECE 420

E171422BPIECE420 Packing Nut

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Datasheet. E-171-422-B PIECE 420 specification

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

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.

0.572in. ⁓37/64"

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.

1.560in. ⁓1-9/16"

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

2.000-20

Unthreaded Portion Length

0.255in.

Largest Inside Diameter

1.278in.

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.

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

1.438in. ⁓1-29/64"

Screw Thread Location
Indicates the location of the screw thread.

external

Length To Shoulder

1.170in.

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.

1.118in.

Major Unthreaded Outside Diameter

1.750in.

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

steel

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

steel

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.

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

hexagon, external 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.

chromium

Answers.

What quantity is this sold in?

1EA

What is the style?

Hexagon, external thread, shouldered

What material is the packing nut made of ?

Steel

What is the err default?

0.572 inches

What is the thread direction?

Right-hand

What is the thread class?

What is the NSN for E-171-422-B PIECE 420?

4730-01-140-6204

What's the federal classification of E-171-422-B PIECE 420?

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 4730-01-140-6204 PACKING NUT

hexagon, external thread, shouldered 1.560" overall length 0.572" err default right-hand 2a thread class

NIIN: 011406204
NIIN Date: 10/14/82
Schedule B
Name Code: 18028
FIIG: T385-E
Item Weight: 0.500lbs
Item Dimensions: 15 X 12
QUP: 1
Historical Price: $674.58 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

1.	420	Cage 11440
2.	B171-171	Cage 11440

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): 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

E-171-422-B PIECE 420 / 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.