Union Nut NSN 4730-01-031-8872

Item Description

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes nut (1), tube coupling.

NSN: 4730-01-031-8872

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Shoulder Width

0.313 inches

Nut Style

Hexagon

Nut Height

1.500 inches

Width Across Flats

4.375 inches

Smallest Inside Diameter

3.190 inches

Thread Series

Shoulder Step Width

0.375 inches

Shoulder Seat Diameter

3.750 inches

Thready Qty Per Inch (tpi)

Thread Size

3.750 inches

Criticality Code Justification

Zzzy

Material

Nickel alloy or stainless steel

Reference Number Differentiating Characteristics

Quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

010318872

NSN

4730010318872

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

810-1385884 PIECE 8 2IN

Cage Code:

53711

Status:

MSDS:

Part Number:

810-1385884 PIECE 8 2INL1

Cage Code:

03950

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318160000
NAICS: 332722
SITC: 69421
Description: Nuts of iron or steel
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-01-031-8872

What are the manufacturers of nsn 4730010318872?

Naval Sea Systems Command (53711)
Naval Inventory Control Point (03950)

Does this nsn 4730010318872 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730010318872
An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. the threaded portion is used to engage the thread piece of a union, union elbor or the like. excludes nut (1), tube coupling.

Does nsn 4730010318872 contain any precious metals?
No precious metal content.

Does nsn 4730010318872 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730010318872?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

19964

FIIG:

A021A0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service