440-160

Dental Expansion Screw

NSN 6520-01-396-4000

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

013964000

Product Features

Two-stage expansion screw; used to accomplish palatal expansion up to 14 mm; first stage for a narrow maxillary arch, expands up to 7 mm; replaceable jack screw for second stage expansion, widens arch another 7 mm

Technical Specifications of NSN

Overall Width:

14.0 millimeters

Furnished Items And Quantity:

Screw body 1; short jack screw 1; long jack screw 1; .051 in. Round, angulated stainless steel anchor legs 4; safety adjustment key 1

Usage Design:

Orthodontist procedures

Part Name Assigned By Controlling Agency:

Screw expansion den crs orthodontist 14mm w no guard spring

Material:

Stainless steel

NSN:

6520-01-396-4000

Item Name:

Expansion Screw

Cage Code:

90444

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

TWO-STAGE EXPANSION SCREW

Cage Code:

90444

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

94-7-15-63 DE

Cage Code:

89875

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

42621

FIIG:

T243-A

Concept No.:

App. Key:

ABN

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:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

MPPWN00001

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Expansion Screw"

An item designed for treatment of cleft-palate patients and also for patients who have severe maxillary arch width deficiencies. It may have double guide pins to insure linear movement or a single guide pin for partial quadrant and mandibular expansions.