493-8B2-5

Check Valve

NSN 4820-00-006-3988

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000063988

Detail Specifications

Thread Class:
3b all ends
Thread Direction:
Right-hand all ends
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Maximum Operating Temp:
225.0 degrees fahrenheit single response
Connection Style:
Gasket seal (boss) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded internal boss all ends
Mounting Position:
Horizontal
Thready Qty Per Inch (tpi):
16 all ends
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.750 inches all ends
Outside Diameter Tube Accommodated:
0.500 inches all ends
Material:
Copper alloy body
Material:
Rubber seat
Material:
Steel comp 304 flow control device and steel comp 303 flow control device
Material Specification:
Mil-g-1149, type 2 class 5 military specification single material response seat
Material Specification:
Qq-b-626, alloy 360 federal specification single material response body
Media For Which Designed:
Air 1st response
Media For Which Designed:
Fuel/oil, hydrocarbon 2nd response
Style Designator:
Straight thru
Thread Series Designator:
Unjf all ends
NSN:
4820-00-006-3988
Item Name:
Disc,valve,metallic
Cage Code:
86768

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
493-8B2-5
Cage Code:
09990
RNCC:
3
RNVC:
2
RNAAC:
ZZ
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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): "Metallic Valve Disc"

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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