Model: RYLB189

Boss Reducer

Special Features:

Drilled per military std. Ms24487.

Properties:

Thread Class
3a all ends
Reducer Type
Concentric
End Application
C17a aircraft.
Connection Style
Flared w/ gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Thread Size
0.500 inches 2nd end
Thread Size
0.562 inches 1st end
Nominallength
1.406 inches
Material
Aluminum alloy
Material Specification
Qq-a-225/4, t6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Thread Series Designator
Unf all ends
Specification Data
88044-an919 government standard
NSN
4730-01-422-5717
Part Number
RYLB189
Description
Reducer,boss
CAGE
05624

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 RYLB189 NSN 4730-01-422-5717

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:
BA
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
Q
LVL_B:
Q

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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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