Model: 3903-4-4

Tube Elbow

Properties:

Thread Class
2a 2nd end
Thread Class
2b 1st end
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
Flared (tube) 2nd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 1st end
Leg Length
0.891 inches 2nd end
Leg Length
1.000 inches 1st end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal tube 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Seat Angle
37.0 degrees all ends
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Steel
Surface Treatment Specification
J514 assn standard single treatment response
Thread Series Designator
Unf all ends
Specification Data
81343-j514 professional/industrial association standard
Nondefinitive Specification/std Data
8c figure
NSN
4730-00-137-7876
Part Number
3903-4-4
Description
Elbow,tube
CAGE
30780

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe and connector, multiple, fluid pressure line.

Part 3903-4-4 NSN 4730-00-137-7876

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03771
FIIG:
A080B0
Concept No.:
App. Key:
A
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:
X

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:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8710000090
  • SITC: 89111
  • End Use: Military trucks, armored vehicles, etc.
  • NAICS: 336992
  • USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons

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