821580

Check Valve

NSN 4820-00-101-7931

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001017931

Technical Specifications of NSN

Thread Class:
3a 2nd end
Thread Class:
3a 1st end
Thread Direction:
Right-hand 2nd end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Piston
Connection Style:
Flared (tube) 1st end
Connection Style:
Flareless 2nd end
Valve Operation Method:
Automatic
Connection Type:
Threaded external tube 1st end
Connection Type:
Threaded external tube 2nd end
Thready Qty Per Inch (tpi):
18 1st end
Maximum Operating Pressure:
600.0 pounds per square inch single response
Thread Size:
0.562 inches 1st end
Thread Size:
0.562 inches 2nd end
Seat Angle:
12.0 degrees 2nd end
Seat Angle:
37.0 degrees 1st end
Outside Diameter Tube Accommodated:
0.375 inches 2nd end
Outside Diameter Tube Accommodated:
0.375 inches 1st end
Style Designator:
Straight thru
Thread Series Designator:
Unf 1st end
Thread Series Designator:
Unf 2nd end
NSN:
4820-00-101-7931
Item Name:
Nonreturn Valve
Cage Code:
04845

Other Related Parts

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

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:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
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): "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 NAVY Dept. of the Navy
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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