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Packing Nut NSN 4730-00-274-9256

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 4730-00-274-9256 NSN: 4730-00-274-9256

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Thread Length
0.250 inches
Casehardening Indicator
Not casehardened
Overall Length
0.313 inches
Thread Size
0.500-27
Screw Thread Series Designator
Uns
Width Across Flats
0.625 inches
Screw Thread Location
Internal
Length To Shoulder
0.2657 inches
Smallest Inside Diameter
Between 0.278 inches and 0.291 inches
Material
Brass, mil-b-994, comp b-canceled
Material
Copper alloy 482
Style Designator
Hexagon, internal thread, shouldered
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002749256
NSN
4730002749256

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NB13
Cage Code:
78330
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-274-9256
What are the manufacturers of nsn 4730002749256?
Does this nsn 4730002749256 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002749256
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 4730002749256 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002749256 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002749256?
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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