NSN 4730-00-409-0774

Boss Elbow

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

004090774

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

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

NS: 42
NE: 1

Please note that inventory for this NSN was updated 10/15/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "ELBOW,BOSS"

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes elbow, tube.

4730-00-409-0774 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAJD

Thread Class

3b all ends

MRC:

AHNC

Connection Style

Gasket seal (boss) all ends

MRC:

AHSJ

Leg Length

0.719 inches 1st end and 0.766 inches 1st end

MRC:

AWLS

Connection Type

Threaded internal boss all ends

MRC:

CQJX

Thread Size

0.562 inches 1st end

MRC:

CRFY

Flow Angle

45.0 degrees

MRC:

MATT

Material

Steel comp 304

MRC:

MDCL

Material Specification

66 federal standard single material response

MRC:

SFTT

Surface Treatment

Passivate outside

MRC:

STDC

Surface Treatment Specification

Mil-s-5002 military specification single treatment response inside

MRC:

THSD

Thread Series Designator

Unf all ends

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:

AS5191

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS5191J06

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

00624

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

06581

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

13899

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

14397

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

22995

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

30974

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

88044

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

R1120

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

14728

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN941J6

Cage Code:

71563

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:

22676

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:

7307929000

NAICS:

332919

End Use Class:

12110

SITC:

67959

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 7307929000

Threaded Elbows and Bends Of Iron Or Steel (other Than Cast Iron Or Stainless Steel) For Pipes and Tubes

End Use Code 12110

Iron and Steel Products, Other

Standard Intl. Trade Class (SITC) 67959

Iron and Steel Tube and Pipe Fittings, N.e.s.

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) 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)