Model: 2557-MS79

Nonmetallic Grommet

Properties:

Hole Diameter

Between 0.296 inches and 0.328 inches

Groove Width

Between 0.234 inches and 0.266 inches

Flange Thickness

Between 0.109 inches and 0.141 inches

Overall Height

Between 0.469 inches and 0.531 inches

Grommet Style

Round

Large Flange Outside Diameter

Between 0.969 inches and 1.031 inches

Groove Outside Diameter

Between 0.734 inches and 0.766 inches

Grommet Construction Type

Solid

Features Provided

Coolant resistant and oil resistant

Color

Any acceptable

Material

Rubber synthetic

NSN

5325-00-171-9890

Part Number

2557-MS79

Description

Grommet,nonmetallic

CAGE

70485

An item of any peripheral shape having flanges or groove(s) on its outer perimeter to provide a self-retaining characteristic when inserted in a hole, clamp, or the like. Designed for the purpose of protecting and/or insulating wires, cables and other items passing through it. Excludes bushing, nonmetallic; bumper; and insulator bushing.

Part 2557-MS79 NSN 5325-00-171-9890

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

33729

FIIG:

A05400

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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:

0.1000lbs

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:

000000

UFC:

00000

LTL:

NO RATING

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 9606100000
SITC: 89983
End Use: Finished textile supplies
NAICS: 339993
USDA: 1

Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor