Model: MS21921-12

Tube Coupling Nut

Special Features:

Supports grumman a10 aircraft

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
1.000 inches
Width Across Flats
1.250 inches
Length To Shoulder
0.687 inches
Smallest Inside Diameter
0.826 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
12
Thread Size
1.062 inches
Tube Outside Diameter
0.750 inches
Seat Angle
45.00 degrees
Material
Steel comp 1137 and steel comp 1141
Material Specification
Qq-s-637 federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification single treatment response
Specification Data
96906-ms21921 government standard
NSN
4730-00-914-9851
Part Number
MS21921-12
Description
Nut,tube Coupling
CAGE
81343

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 MS21921-12 NSN 4730-00-914-9851

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:
ESD:
MMAC:
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 4730-00-914-9851 is a component of

  • Strategic Weapon Systems(poseidon And Trident)
  • Hercules C-130 Aircraft
  • B-1 Aircraft Support Equipment
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Mh-53e Helicopter
  • Sh-60f Carrier Based Asw Helicopter
  • Hh-60h Search And Rescue Helicopter
  • B-2 Bomber (atb) Aircraft
  • Bridge Armor Vehicle (avlb) - Model M60a1
  • H-60 Seahawk Helicopter
  • 000916596
  • Actuator-hydraulic-
  • 007951797
  • Full Tracked Combat Engineer Vehicle
  • 004711905
  • Arresting Engine
  • 010811492
  • Aircraft Arresting Barrier Absorber

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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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