Model: MS21921-5S

Tube Coupling Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
Between 0.750 inches and 0.770 inches
Width Across Flats
0.625 inches
Length To Shoulder
Between 0.552 inches and 0.572 inches
Smallest Inside Diameter
Between 0.366 inches and 0.371 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Tube Outside Diameter
0.312 inches
Seat Angle
45.00 degrees
Material
Stainless steel
Surface Treatment
Passivate
NSN
4730-00-825-2090
Part Number
MS21921-5S
Description
Nut,tube Coupling
CAGE
96906

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Part MS21921-5S NSN 4730-00-825-2090

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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