Model: 123721-1

Boss Coupling

Special Features:

2.312 in.Dia by 0.188 in.Thd flange w/four 0.220 in.Min/0.226 in.Max diameter holes equally spaced on 1.875 in.Dia bolt circle, located 0.312 in.From end

Properties:

Thread Class
3b all ends
Connection Style
Gasket seal (boss) all ends
Connection Type
Threaded internal boss 1st end
Thread Size
0.750 inches 1st end
Nominallength
2.688 inches
Material
Steel
Material Specification
66, aisi 302/sae 30302 federal standard single material response or 66, aisi 304/sae 30304 federal standard single material response
Surface Treatment
Passivate inside
Surface Treatment
Passivate outside
Style Designator
Plain
Thread Series Designator
Unjf all ends
NSN
4730-00-803-5912
Part Number
123721-1
Description
Coupling,boss
CAGE
24390

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 123721-1 NSN 4730-00-803-5912

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: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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