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Packing Nut NSN 4730-00-142-1921

Item Description

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.

NSN 4730-00-142-1921 NSN: 4730-00-142-1921

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Thread Length
0.330 inches
Casehardening Indicator
Not casehardened
Overall Length
0.440 inches
Thread Size
7/16-20
Screw Thread Series Designator
Unf
Width Across Flats
0.690 inches
Screw Thread Location
Internal
Length To Shoulder
0.330 inches
Smallest Inside Diameter
Between 0.469 inches and 0.474 inches
Major Unthreaded Outside Diameter
0.656 inches
Material
Aluminum alloy or steel
Material
Aluminum alloy or steel
Style Designator
Hexagon, internal thread, shouldered
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
001421921
NSN
4730001421921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
113131
Cage Code:
45311
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-142-1921
What are the manufacturers of nsn 4730001421921?
Does this nsn 4730001421921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730001421921
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.
Does nsn 4730001421921 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730001421921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730001421921?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18028
FIIG:
T385-E
App. Key:
EA
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
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