451-0029

Check Valve

NSN 4820-01-128-4546

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
011284546

Technical Specifications of NSN

Thread Direction:
Right-hand all ends
Flow Control Device:
Disk
Disk Loading Method:
Spring
Maximum Operating Temp:
212.0 degrees fahrenheit single response
Connection Style:
Plain, optional end (pipe) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded internal pipe all ends
Mounting Position:
Horizontal or vertical
Maximum Operating Pressure:
125.0 pounds per square inch 1st response
Maximum Operating Pressure:
200.0 pounds per square inch 2nd response
Thread Size:
0.375 inches all ends
Material:
Copper alloy
Media For Which Designed:
Steam 1st response
Media For Which Designed:
Water-oil-gas 2nd response
Style Designator:
Straight thru
Thread Series Designator:
Npt all ends
NSN:
4820-01-128-4546
Item Name:
Valve Assembly,pollution Control
Cage Code:
04664

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
903001
Cage Code:
97028
RNCC:
3
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
51-0029
Cage Code:
04664
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Definition Definition of approved item name (AIN): "Pollution Control Valve Assembly"

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

MOE Major Organizational Entities

Entity
DSOR
User:
DEFENSE LOGISTICS AGENCY Defense Logistics Agency
DSOR:
Import / Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of copper having a pressure rating of 850 kpa or over


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