4K21N2S

Check Valve

NSN 4820-00-796-5976

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007965976

Product Features

Pilot operated reverse flow

Product Technical Spec.

Thread Direction:
Right-hand all ends
Flow Control Device:
Ball
Disk Loading Method:
Spring
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:
3000.0 pounds per square inch single response
Thread Size:
0.250 inches all ends
Material:
Aluminum alloy body
Material:
Steel flow control device
Material:
Steel seat
Media For Which Designed:
Hydraulic fluid, phosphate-ester base single response
Style Designator:
Cross
Thread Series Designator:
Npt all ends
NSN:
4820-00-796-5976
Item Name:
Aspirator Valve
Cage Code:
8Z296

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
25200-2
Cage Code:
8Z296
RNCC:
3
RNVC:
2
RNAAC:
AX
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:
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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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Aspirator 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 ARMY Dept. of the Army
DSOR:
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of materials other than copper, iron or steel


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