8R7642

Check Valve

NSN 4820-00-529-3990

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005293990

Technical Specifications of NSN

Thread Class:
3a 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Renewable Seat Ring Type:
Pressed-in
Connection Style:
Flared (tube) 1st end
Connection Type:
Threaded external tube 1st end
Mounting Position:
Horizontal or vertical
Thready Qty Per Inch (tpi):
20 1st end
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.438 inches 1st end
Seat Angle:
37.0 degrees 1st end
Outside Diameter Tube Accommodated:
0.250 inches 1st end
Media For Which Designed:
Air single response
Style Designator:
Straight thru
Thread Series Designator:
Unf 1st end
NSN:
4820-00-529-3990
Item Name:
Nonreturn Valve
Cage Code:
26044

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
658053-1
Cage Code:
98897
RNCC:
7
RNVC:
2
RNAAC:
MF
Status:
A
MSDS:
SADC:
Part Number:
658053-1
Cage Code:
98897
RNCC:
7
RNVC:
2
RNAAC:
MF
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:
HS
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Privacy | Terms

Definition Definition of approved item name (AIN): "Nonreturn Valve"

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:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
ITALY Italy
DSOR:
User:
GREECE Greece
DSOR:
User:
TURKEY Turkey
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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