ER919D10-8

Boss Reducer

NSN 4730-00-640-5858

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

006405858

Product Features

Weapon system essential

Technical Specifications of NSN

Thread Class:

3a all ends

Reducer Type:

Concentric

End Application:

Used on boeing vertol cargo transport helicopter, model ch-47, chinook

Connection Style:

External seat for gasket seal (boss) all ends

Connection Type:

Threaded external boss all ends

Thread Size:

0.750 inches 2nd end

Thread Size:

0.875 inches 1st end

Criticality Code Justification:

Feat

Nominallength:

1.531 inches

Material:

Aluminum alloy 2024

Material Specification:

Qq-a-225/6, t6 federal specification single material response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625 military specification single treatment response

Thread Series Designator:

Unjf all ends

Specification Data:

96906-ms21916 government standard

NSN:

4730-00-640-5858

Item Name:

Reducer,boss

Cage Code:

79470

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

AS21916

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21916D10-8

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3117145

Cage Code:

001JK

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21916D10-8

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3117145

Cage Code:

S4956

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

23541

FIIG:

A080B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.2000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051400

UFC:

29700

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 4730-00-640-5858 is a component of

Chinook Model Ch-47 Used On Boeing Vertol Cargo Transport Helicopter
010399098
Aircraft Engine Build-up Parts Kit
010811552
Aircraft Engine Build-up Parts Kit
010897246
Aircraft Engine Build-up Parts Kit
010268755
Aircraft Engine Build-up Parts Kit
009290080
Hose Reel Assembly
010113440
Aircraft Engine Build-up Parts Kit
001047820
Electromechanical Actuator Testing Machine
010683871
Aircraft Engine Build-up Parts Kit

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Boss Reducer"

A straight fitting having a boss connection of a different size at each end. Both connections have external 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. Excludes bushing (as modified).