Model: MC-275 B-2

Sealing Compound

Special Features:

Service temperature range of minus 65 degrees f to plus 250 degrees f, intermittent use to 360 degrees f; polysulfide; 2 hour working time

Properties:

Physical Form

Paste

Quantity Within Each Unit Package

1.000 pints

Specific Usage Design

For aircraft integral fuel tanks and fuel cell cavities

Features Provided

Separate catalyst

Rated Drying Time

72.000 hours

Color

Gray

Material

Rubber synthetic

Supplementary Features

12 fluid ounce base and required amount of curing agent in separate containers

Specification Data

81343-ams3276 professional/industrial association standard

Nondefinitive Specification/std Data

B-2 class

NSN

8030-00-485-3237

Part Number

MC-275 B-2

Description

Sealing Compound

CAGE

0U317

A chemical composition formulated for coating or for filling voids, cracks, joints or seams of objects and/or materials to exclude foreign matter and/or prevent the transmission of fluids therethrough. It is not designed to act as a primer coating or to be sanded or ground after application. It cannot be wiped off. For items which are specifically compounded to provide electrical insulating characteristics, use insulating compound, electrical. Excludes caulking compound; gasket cement; corrosion preventive compound; cement, iron and steel; plumbing fixture setting compound; preservative coating, rubber and textile treating compounds.

Part MC-275 B-2 NSN 8030-00-485-3237

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

03268

FIIG:

A536D0

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:

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:

149610

UFC:

74810

LTL:

55.0

LCL:

WCC:

620

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 3214100010
SITC: 53354
End Use: Shingles, molding, wallboard
NAICS: 325520
USDA: 1

Freight Class: Caulking compounds