ER919-6

Boss Reducer

NSN 4730-00-541-4901

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

005414901

Technical Specifications of NSN

Thread Class:

3a all ends

Reducer Type:

Concentric

Maximum Operating Temp:

275.0 degrees fahrenheit single response

End Application:

Grumman a10 aircraft; x2m assault amphibious vehicle, command (aavc-7a1)

Connection Style:

External seat for gasket seal (boss) all ends

Connection Type:

Threaded external boss all ends

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.438 inches 2nd end

Thread Size:

0.562 inches 1st end

Reduced Passage Inside Diameter:

0.188 inches all ends

Nominallength:

1.219 inches

Material:

Steel comp 1137 or steel comp 1141 or steel comp 4130

Material Specification:

Qq-a-367 federal specification single material response or astm a576-677 assn standard single material response or mil-s-6758 military specification single material response

Media For Which Designed:

Hydraulic fluid single response

Surface Treatment:

Cadmium

Surface Treatment Specification:

Qq-p-416, type 2, class 2 federal specification single treatment response

Thread Series Designator:

Unjf all ends

Specification Data:

96906-ms21916 government standard

NSN:

4730-00-541-4901

Item Name:

Reducer,boss

Cage Code:

79470

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

MS21916-6-4

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS18280

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS21916-6-4

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21916-6-4

Cage Code:

K3784

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

ER919-6-4

Cage Code:

79470

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

4730-541-4901

Cage Code:

SCY13

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

4730005414901

Cage Code:

SCY13

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:

4.0 X 0.0 X 0.0

Paclk Weight:

0.1000lbs

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:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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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).