Model: 3269-4

Check Valve

Special Features:

Weapon system essential

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
275.0 degrees fahrenheit single response
End Application
Ah-1w advance attack helicopter
Connection Style
Flared (tube) 1st end
Connection Style
Flareless 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
20 1st end
Thready Qty Per Inch (tpi)
20 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Thread Size
0.548 inches 2nd end
Seat Angle
12.0 degrees 2nd end
Seat Angle
37.0 degrees 1st end
Criticality Code Justification
Feat
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Material
Aluminum alloy body
Material
Aluminum alloy seat
Material
Steel flow control device
Material Specification
Mil-s-7720, comp 303s military specification single material response flow control device
Material Specification
Qq-a-200/3, alloy 2024, t4 federal specification single material response body
Material Specification
Qq-a-225/6, alloy2024, t351 federal specification single material response packing
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
Thread Series Designator
Unjf 2nd end
NSN
4820-00-032-4763
Part Number
3269-4
Description
Valve,check
CAGE
99215

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 3269-4 NSN 4820-00-032-4763

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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