Model: 483-1-4SS2

Check Valve

Special Features:

Other media utilized: alcohol, ethylene glycol, freon 12, gasoline, helium, hydrogen, hydraulic fluid (mineral base), lube oil, natural gas, nitrogen, water; cracking pressure 2 - 4 psi

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
-40.0 degrees fahrenheit 1st response
Maximum Operating Temp
250.0 degrees fahrenheit 2nd response
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
5000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Rubber butadiene-acrylonitrile class nbr seat
Material
Steel comp 416 body
Material Specification
Asis416 assn standard single material response
Media For Which Designed
Acetylene 1st response
Media For Which Designed
Air 2nd response
Media For Which Designed
Ammonia, gaseous 3rd response
Media For Which Designed
Ammonia, liquid 4th response
Media For Which Designed
Carbon dioxide 5th response
Style Designator
Straight thru
Test Data Document
81349-mil-s-51173 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Npt all ends
NSN
4820-00-991-8242
Part Number
483-1-4SS2
Description
Valve,check
CAGE
86768

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.

Part 483-1-4SS2 NSN 4820-00-991-8242

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

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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