Model: MS21921-32

Tube Coupling Nut

Special Features:

Corrosion resistant steel (15-5) with cadmium plating

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
Between 1.110 inches and 1.130 inches
Width Across Flats
2.875 inches
Length To Shoulder
Between 0.677 inches and 0.697 inches
Smallest Inside Diameter
Between 2.080 inches and 2.085 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
12
Thread Size
2.500 inches
Tube Outside Diameter
2.000 inches
Seat Angle
45.00 degrees
Part Name Assigned By Controlling Agency
Nut, sleeve coupling, flareless
Material
Stainless steel
Surface Treatment
Cadmium
Specification Data
81343 - as21921 professional/industrial association standard
NSN
4730-01-543-0347
Part Number
MS21921-32
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 MS21921-32 NSN 4730-01-543-0347

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:
A
ESD:
A
ESD:
A
MMAC:
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:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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