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Packing Nut NSN 4730-00-274-3378

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 4730-00-274-3378 NSN: 4730-00-274-3378

Features and Characteristics

Thread Class
3b and 3b
Thread Direction
Right-hand
Thread Length
0.375 inches
Casehardening Indicator
Not casehardened
Overall Length
0.688 inches
Thread Size
1.250-16
Screw Thread Series Designator
Un
Width Across Flats
1.625 inches
Screw Thread Location
Internal
Length To Shoulder
0.500 inches
Smallest Inside Diameter
0.500 inches
Special Features
1 drilled and tapped hole 3/16 in., - 32 thd located 1/4 in. From thd end of nut on hex
Material
Steel, mil-s-853
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 310 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 410 or steel comp 416 or steel comp 420 or steel comp 430
Style Designator
Hexagon, internal thread, shouldered
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002743378
NSN
4730002743378

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
DD445S4501-171ALT5PC70
Cage Code:
80064
Status:
A
MSDS:
Part Number:
HC112E
Cage Code:
16712
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-274-3378
What are the manufacturers of nsn 4730002743378?
Does this nsn 4730002743378 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002743378
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 4730002743378 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002743378 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002743378?
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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