Model: RYLB190

Boss Reducer

Special Features:

Drilled per ms24487

Properties:

Thread Class
3a all ends
End Application
C17a aircraft
Connection Style
Flared w/ gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Thread Size
0.438 inches 2nd end
Thread Size
0.500 inches 1st end
Outside Diameter Tube Accommodated
0.312 inches 2nd end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Nominallength
1.359 inches
Material
Aluminum alloy
Material Specification
Qq-q-225/4, t6. Federal specification single material response
Surface Treatment
Anodize
Thread Series Designator
Unf 2nd end
Thread Series Designator
Unjf 1st end
Specification Data
88044-an919 government standard
NSN
4730-01-422-3147
Part Number
RYLB190
Description
Reducer,boss
CAGE

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal 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. Excludes bushing (as modified).

Part RYLB190 NSN 4730-01-422-3147

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
23541
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:
051420
UFC:
29090
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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