Union Nut NSN 4730-00-517-1491

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: 4730-00-517-1491

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Shoulder Width

0.0312 inches

Nut Style

Round

Nut Diameter

1.330 inches

Nut Height

0.307 inches

End Application

Pza machine gun, grenade, 40mm mod ii (hild) , mk19

Smallest Inside Diameter

1.005 inches

Thread Series

Uns

Shoulder Step Width

0.057 inches

Shoulder Seat Diameter

1.187 inches

Thready Qty Per Inch (tpi)

Thread Size

1.188 inches

Special Features

Medium straight or diamond knurl on od

Material

Steel comp 1018 or steel comp 1019 or steel comp 1020

Surface Treatment

Phosphate

Supplementary Features

Used on guns only

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

005171491

NSN

4730005171491

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

5171491

Cage Code:

19207

Status:

MSDS:

Part Number:

A10734

Cage Code:

U4574

Status:

MSDS:

Part Number:

A20434

Cage Code:

U4574

Status:

MSDS:

Part Number:

717124430208

Cage Code:

0000V

Status:

MSDS:

Part Number:

4730PL0912291

Cage Code:

9009H

Status:

MSDS:

Part Number:

4730005171491

Cage Code:

SCY13

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 4730-00-517-1491

What are the manufacturers of nsn 4730005171491?

U S Army Tank Automotive Command (19207)
Manroy Engineering Ltd (U4574)
Ncb Hungary Honvedsegi Egyseges (0000V)
Inspektorat Wsparcia Sil Zbrojnych (9009H)
E.c.a Etablissement (SCY13)

Does this nsn 4730005171491 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730005171491
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 4730005171491 contain any precious metals?
Precious metal content is unknown.

Does nsn 4730005171491 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730005171491?
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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Certificate of Conformance
Quality Inspected Parts
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