Model: MS21921-16C

Tube Coupling Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
1.050 inches
Width Across Flats
1.500 inches
Length To Shoulder
0.687 inches
Smallest Inside Diameter
1.074 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
12
Thread Size
1.312 inches
Tube Outside Diameter
1.000 inches
Seat Angle
45.00 degrees
Material
Steel comp 304
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Specification Data
96906-ms21921 government standard
NSN
4730-00-859-3541
Part Number
MS21921-16C
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 MS21921-16C NSN 4730-00-859-3541

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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:
Construction Materials

End Items End applications NSN 4730-00-859-3541 is a component of

  • Metal Tube Assembly
  • 014127570
  • Metal Tube Assembly
  • 014126767
  • Airborne Mine Counter Measure Systems
  • Joint Stars Target Radar System
  • Nimitz Class Cvn
  • Forrestal Class Cv
  • Sof / Hh-53j/m Pave Low Helicopter
  • Mh-53e Helicopter
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Catapult/arresting Gear
  • Hercules C-130 Aircraft
  • Phantom F-4 Aircraft

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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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