Model: 25131

Tube To Boss Elbow

Properties:

Thread Class
2a all ends
End Application
Support equipment, b-1 aircraft
Connection Style
Double threaded section w/ gasket and locknut sealing (boss) 2nd end
Connection Style
Flared (tube) 1st end
Leg Length
1.062 inches 1st end
Leg Length
1.250 inches 2nd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thread Size
0.437 inches 1st end
Thread Size
0.562 inches 2nd end
Seat Angle
37.0 degrees 1st end
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Steel
Thread Series Designator
Unf all ends
Furnished Items And Quantity
1 flared sleeve and 1 short coupling nut and 1 flat washer
Specification Data
81343-j514 professional/industrial association standard
Nondefinitive Specification/std Data
10a figure
NSN
4730-01-242-4510
Part Number
25131
Description
Elbow,tube To Boss
CAGE
08302

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part 25131 NSN 4730-01-242-4510

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22679
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:
0.2000lbs
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:
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: 7307929000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes

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