NSN 4730-01-027-6587

Tube Coupling

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

010276587

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

This product may be available in the following quantities and conditions.

NS: 12
NE: 31

Please note that inventory for this NSN was updated 07/23/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "COUPLING,TUBE"

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes fittings with threaded external connections on both ends. Excludes nipple, pipe.

4730-01-027-6587 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAJD

Thread Class

2a 1st end

MRC:

AHNC

Connection Style

Grooved (tube) 2nd end

MRC:

AWLS

Connection Type

Unthreaded external tube 2nd end

MRC:

CQJX

Thread Size

0.438 inches 1st end

MRC:

CQRB

Seat Angle

20.0 degrees 1st end

MRC:

CWFD

Outside Diameter Tube Accommodated

0.250 inches 2nd end

MRC:

CWFR

Nominallength

1.906 inches

MRC:

FEAT

Special Features

Supports grumman a-10 aircraft

MRC:

MATT

Material

Aluminum alloy

MRC:

STYL

Style Designator

Rigid w/offset wrenching facility

MRC:

THSD

Thread Series Designator

Unf 1st end

MRC:

TMQY

Furnished Items And Quantity

1 locknut and 1 tube coupling nut w/sleeve

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

A400A1-4

Cage Code:

02570

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

4-4T2H2BZ-A

Cage Code:

54938

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

4-4T2H2BZ-D

Cage Code:

54938

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A400A4

Cage Code:

02570

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A-400-R1-4

Cage Code:

02570

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A400-R1-4

Cage Code:

11649

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A400A1-4

Cage Code:

3T9T9

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A400A4

Cage Code:

3T9T9

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

A-400-R1-4

Cage Code:

3T9T9

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Indicates a design/source control reference item

Inidicates part number has been superseded

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

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06078

FIIG:

A080B0

Concept No.:

App. Key:

Cond. Code:

Status:

Special material and handling

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

7609000000

NAICS:

332919

End Use Class:

12300

SITC:

68427

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 7609000000

Aluminum Tube Or Pipe Fittings (couplings, Elbows Sleeves)

End Use Code 12300

Finished Metal Shapes

Standard Intl. Trade Class (SITC) 68427

Aluminum and Aluminum Alloy Tube and Pipe Fittings (e.g. Couplings, Elbows and Sleeves)

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

051400

NMF Description:

Pipe Fittings Aluminum

UFC:

29700

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 576

Metal and metal products, nos, (less than 35 feet).

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)