Model: 4D98757H70

Exhaust-intake Pneumatic Muffler

Special Features:

120 cfm flow rate; 316 ss and fiber glass filler material

Properties:

Insulation Material

Fiberglass

Overall Length

13.340 inches

Overall Height

6.000 inches

Overall Width

13.340 inches

End Application

Seawolf class ssn air makeup generator

Design Type

Dry

Coolant Type

Any acceptable

Muffler Design

Louver

Body Shape

Rectangular

Part Name Assigned By Controlling Agency

Louver, acoustic

Functional Description

Used on the 4d98757 upper housing assembly

Material

Steel, corrosion resisting and glass

Material

Stainless steel and glass

NSN

4310-01-503-8742

Part Number

4D98757H70

Description

Pneumatic Muffler,exhaust-intake

CAGE

04808

A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).

Part 4D98757H70 NSN 4310-01-503-8742

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

37112

FIIG:

T135-C

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:

125850

UFC:

61440

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8414902095
SITC: 74380
End Use: Industrial engines
NAICS: 333912
USDA: 1

Freight Class: Parts nesoi, of compressors other than refrigerating and air conditioning compressors