M21-14

Exhaust-intake Pneumatic Muffler

NSN 4330-01-115-3951

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
011153951

Detail Specifications

Overall Length:
77.000 inches
Inlet Connection Type:
Flange
Overall Diameter:
36.000 inches
Design Type:
Dry
Inlet Connection Quantity:
1
Coolant Type:
Air
Muffler Design:
Straight through
Body Shape:
Round
Operating Position:
Universal
Inlet Location:
Centrally located in end section of body
Inlet Projection Length:
2.250 inches
Inlet Flange Shape:
Round
Inlet Flange Mounting Provision And Quantity:
8 holes
Inlet Flange Mounting Hole Diameter:
0.750 inches
Inlet Flange Mounting Provision Spacing:
Equally spaced on 7.500 in. Bolt circle
Outlet Connection Quantity:
1
Outlet Connection Type:
Flange
Outlet Location:
Centrally located in end section of body
Outlet Projection Length:
2.500 inches
Outlet Flange Shape:
Round
Outlet Flange Mounting Provision And Quantity:
8 holes
Outlet Flange Mounting Hole Diameter:
0.750 inches
Outlet Flange Mounting Provision Spacing:
Equally spaced on 7.500 in. Bolt circle
Material:
Steel
Material:
Steel
Surface Treatment:
Paint, primer, heat resistant
NSN:
4330-01-115-3951
Item Name:
Pump Exhaust Silencer
Cage Code:
11839

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37112
FIIG:
T135-C
Concept No.:
App. Key:
CD
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
000000
UFC:
00000
LTL:
NO RATING
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Pump Exhaust Silencer"

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).

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8487900080
  • SITC: 74999
  • End Use: Industrial machines, other
  • NAICS: 333999
  • USDA: 1

Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers


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