Model: MIL-F-5509

Boss Cross

Properties:

Thread Class
3b all ends
Connection Style
Gasket seal (boss) all ends
Leg Length
0.750 inches all ends
Connection Type
Threaded internal boss all ends
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Material
Aluminum alloy 2014
Material Specification
Qq-a-225/4 federal specification single material response
Media For Which Designed
Water-oil-gas single response
Surface Treatment
Anodize
Thread Series Designator
Unjf all ends
Specification Data
88044-an937 government standard and 81343-as4875 professional/industrial association standard
NSN
4730-00-278-8469
Part Number
MIL-F-5509
Description
Cross,boss
CAGE
81349

A fitting having four branches in the same plane whose axes form right angles. The boss connections for items such as tanks, housings, valve fittings, and the like, have internal or external machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It may have side inlet(s). Excludes cross, tube.

Part MIL-F-5509 NSN 4730-00-278-8469

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22702
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:
U
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:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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