Model: 220-21031-130

Boss Coupling

Properties:

Thread Class
3b 1st end
Connection Style
Gasket seal (boss) 1st end
Connection Type
Threaded internal boss 1st end
Thread Size
0.438 inches 1st end
Material
Aluminum alloy
Material Specification
Qq-a-200/3 federal specification single material response or qq-a-225/6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-c-5541 class 1a military specification single treatment response or mil-a-8625 type 2 class 1 military specification single treatment response
Thread Series Designator
Unf 1st end
NSN
4730-01-054-9300
Part Number
220-21031-130
Description
Coupling,boss
CAGE
80378

A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). It may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It is designed to join two bosses or boss fittings. Excludes items having external threaded connections on both ends.

Part 220-21031-130 NSN 4730-01-054-9300

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26953
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:
CRITL:
X

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: 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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