Model: MIL-PRF-25675

Check Valve

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
450.0 degrees fahrenheit single response
Connection Style
Flared (tube) all ends
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
18 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Seat Angle
37.0 degrees all ends
Opening Pressure Setting
5.0 pounds per square inch
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Stainless steel body
Material
Stainless steel seat
Media For Which Designed
Fuel/oil, hydrocarbon 3rd response
Media For Which Designed
Hydraulic fluid, phosphate-ester base 1st response
Media For Which Designed
Hydraulic fluid, silicate-ester base 2nd response
Style Designator
Straight thru
Thread Series Designator
Unf all ends
NSN
4820-00-045-7414
Part Number
MIL-PRF-25675
Description
Valve,check
CAGE
81349

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 MIL-PRF-25675 NSN 4820-00-045-7414

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:
SX
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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