Model: D-1994 SIZE 1IN

Check Valve

Properties:

Pipe Size Accommodated
1.000 inches all ends
Flow Control Device
Disk
Disk Loading Method
Weight
Maximum Operating Temp
500.0 degrees fahrenheit single response
Connection Style
Socket (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
275.0 pounds per square inch single response
Material
Steel body
Material
Steel comp 416 seat
Material
Steel comp 420 flow control device
Material Specification
Astma216, grade wcb assn standard single material response body
Material Specification
Fed-std-66, aisi 420/sae 51420 federal standard single material response flow control device
Material Specification
Fed-std-66, comp 416 federal standard single material response seat
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Specification Data
81349-mil-v-18436d government specification
Nondefinitive Specification/std Data
C group and 3 type and a style
NSN
4820-01-092-4294
Part Number
D-1994 SIZE 1IN
Description
Valve,check
CAGE
11859

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 D-1994 SIZE 1IN NSN 4820-01-092-4294

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:
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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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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