NSN 4730-01-632-7963

Pipe Union

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

NIIN:

016327963

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

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

NE: 16

Please note that inventory for this NSN was updated 07/29/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "UNION,PIPE"

A straight pipe fitting designed to join two lengths of pipe or pipe fittings in such a manner that they may be disconnected without disturbing the rest of the pipe line. The end connections have pipe threads or are unthreaded and designed to accommodate a pipe.

4730-01-632-7963 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAJD

Thread Class

3a 2nd end

MRC:

AGAV

End Application

F-35

MRC:

AHNC

Connection Style

Flared w/ gasket seal (boss) 2nd end

MRC:

ARKN

Flange Shape

Hexagon center bulkhead

MRC:

AWLS

Connection Type

Threaded external tube 2nd end

MRC:

CMLP

Thready Qty Per Inch (tpi)

20 2nd end

MRC:

CQGM

Maximum Operating Pressure

3000.0 pounds per square inch single response

MRC:

CQJX

Thread Size

0.4375 inches 2nd end

MRC:

CWCN

Width Across Flats

0.684 inches center bulkhead

MRC:

CWFR

Nominallength

1.766 inches

MRC:

CXCY

Part Name Assigned By Controlling Agency

Union, pipe

MRC:

MATT

Material

Steel comp 321

MRC:

MDCL

Material Specification

Ams 5645 assn standard single material response

MRC:

SFTT

Surface Treatment

Passivate

MRC:

STDC

Surface Treatment Specification

Ams 2700 type 6 or 7 assn standard single treatment response

MRC:

STYL

Style Designator

Long w/ offset wrenching facility

MRC:

THSD

Thread Series Designator

Unjf 2nd end

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:

AS1037HR0404

Cage Code:

01673

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS1037HR0404

Cage Code:

30974

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS1037HR0404

Cage Code:

66774

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS1037HR0404

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS1037HR0404

Cage Code:

14397

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:

03785

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) A

Item does not contain precious metal.

Electrostatic Discharge (ESD) A

No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE 0

Represents items with no adp components

Criticality X

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

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

052190

NMF Description:

Or Pipe Or Tubing Fitti Tubing Pipe

UFC:

30000

LTL:

Rating variable

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) A

Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft.

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)