NSN 4820-01-058-7171

Check Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010587171

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Inventory

 

This product may be available in the following quantities and conditions.

  • NE: 1
  • NS: 12
  • SV: 1
  • OH: 1
  • AR: 3

Please note that inventory for this NSN was updated 06/20/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "VALVE,CHECK"

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.

4820-01-058-7171 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
ADQU
Flow Control Device
Poppet
MRC:
ADSU
Disk Loading Method
Spring
MRC:
ADZH
Renewable Seat Ring Type
Pressed-in
MRC:
AQLR
Valve Operation Method
Automatic
MRC:
BBJX
Mounting Position
Vertical
MRC:
CRTL
Criticality Code Justification
Feat and spcl
MRC:
FEAT
Special Features
Valve shall flow 29 lbs per minute with 14 psig max pressure drop, valve opening pressure shall not exceed 5.0 psig and shall be fully closed /zero leakage/ at 3.0 psig whenactuated in the closing direction
MRC:
SPCL
Special Test Features
Orient valve with large end down and apply test pressure to small end of valve using mil-l-7808 oil at 180 degrees f /or equivalent/ for all test conditions

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
6898811
Cage Code:
73342
RNCC:
3
RNVC:
2
DAC:
1
RNAAC:
CT
Status:
A
MSDS:
SADC:
Part Number:
6898811
Cage Code:
63005
RNCC:
5
RNVC:
2
DAC:
6
RNAAC:
9Z
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

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

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
Y
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions or application.

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
127220
NMF Description:
Pressure Reg/red/relief Valves Noi
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ADC:
A
ACC:
A

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) A

Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)