Model: 91-D-078

Check Valve

Properties:

Pipe Size Accommodated
1.000 inches all ends
Flow Control Device
Disk
Disk Loading Method
Weight
Connection Style
Socket (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
900.0 pounds per square inch single response
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Specification Data
81349-mil-v-18436e government specification
Nondefinitive Specification/std Data
900 class and a style and 6 trim and 3 type
NSN
4820-01-384-6527
Part Number
91-D-078
Description
Valve,check
CAGE
71905

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 91-D-078 NSN 4820-01-384-6527

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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