P21321

Check Valve

NSN 4820-00-852-3719

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008523719

Detail Specifications

Thread Direction:
Right-hand 2nd end
Thread Direction:
Right-hand 1st end
Disk Loading Method:
Spring
Connection Type:
Threaded external tube 1st end
Connection Type:
Threaded external tube 2nd end
Thready Qty Per Inch (tpi):
20 1st end
Thready Qty Per Inch (tpi):
24 2nd end
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.375 inches 2nd end
Thread Size:
0.437 inches 1st end
Seat Angle:
37.0 degrees 1st end
Seat Angle:
37.0 degrees 2nd end
Outside Diameter Tube Accommodated:
0.187 inches 2nd end
Outside Diameter Tube Accommodated:
0.250 inches 1st end
Material:
Steel body
Material:
Steel seat
Media For Which Designed:
Water-oil-gas single response
Style Designator:
Straight thru
Thread Series Designator:
Unf 1st end
Thread Series Designator:
Unf 2nd end
NSN:
4820-00-852-3719
Item Name:
Check Valve,air Injection
Cage Code:
79500

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2351212-2
Cage Code:
99221
RNCC:
3
RNVC:
2
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
2351212-6
Cage Code:
99221
RNCC:
5
RNVC:
2
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
C071-4-3
Cage Code:
81755
RNCC:
7
RNVC:
2
RNAAC:
SB
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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Privacy | Terms

Definition Definition of approved item name (AIN): "Air Injection Check 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:
Import / Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of steel


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