NSN 4730-00-278-8823

Tube Coupling Nut

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

5 EA

NIIN:

002788823

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

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

NS: 74
NE: 203

Please note that inventory for this NSN was updated 01/14/2025 and may have changed since then. Request a quote for up to date pricing and availability.

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

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

4730-00-278-8823 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAJD

Thread Class

MRC:

AAJF

Thread Direction

Right-hand

MRC:

AARN

Fabrication Method

Forged

MRC:

ACTA

Nut Style

Tube coupling

MRC:

ADEA

Nut Height

0.719 inches

MRC:

ASDB

Width Across Flats

0.625 inches

MRC:

BRQL

Length To Shoulder

0.560 inches

MRC:

BSPX

Smallest Inside Diameter

Between 0.318 inches and 0.321 inches

MRC:

BZRR

Thread Series

Unf

MRC:

CMLP

Thready Qty Per Inch (tpi)

MRC:

CQJX

Thread Size

0.500 inches

MRC:

CQRJ

Tube Outside Diameter

0.313 inches

MRC:

CRRB

Seat Angle

45.00 degrees

MRC:

MATT

Material

Steel comp 12l14

MRC:

MDCL

Material Specification

Fed-std-66 federal standard single material response

MRC:

SFTT

Surface Treatment

Cadmium or zinc

MRC:

STDC

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response or qq-z-325, type 2, class 3 federal specification single treatment response

MRC:

ZZZK

Specification Data

96906-ms51823 government standard

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:

MS51823-4

Cage Code:

96906

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MIL-F-18866

Cage Code:

81349

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

189897

Cage Code:

19207

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

108-10505

Cage Code:

01276

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8105X5

Cage Code:

01276

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

ERMET08105X5

Cage Code:

01276

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

PGF9497-4

Cage Code:

77237

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

PGF9497-4

Cage Code:

40152

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

108-10505

Cage Code:

79470

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8105X5

Cage Code:

79470

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

ERMET08105X5

Cage Code:

79470

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS51823-4

Cage Code:

96906

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MIL-F-18866

Cage Code:

81349

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

189897

Cage Code:

19207

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

PGF9497-4

Cage Code:

40152

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

108-10505

Cage Code:

79470

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8105X5

Cage Code:

79470

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

ERMET08105X5

Cage Code:

79470

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:

03859

FIIG:

A021A0

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:

7318160000

NAICS:

332722

End Use Class:

12300

SITC:

69421

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 7318160000

Nuts Of Iron Or Steel

End Use Code 12300

Finished Metal Shapes

Standard Intl. Trade Class (SITC) 69421

Screws, Bolts, Nuts, Screw Hooks, Rivets, Washers and Similar Articles, Threaded, Of Iron Or Steel

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

093486

NMF Description:

Noi (sub 3) Nuts Or Screws Bolts

UFC:

48950

LTL:

Rating variable

LCL:

WCC:

573

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 573

Bolts or nuts (iron or steel),(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)