Model: ST57D100

Tube Coupling Nut
Description:

3b thread class, right-hand , machined fabrication method, tube coupling nut style, 0.650 inches nut height, aircraft, prowler ea=6b end item identification.

Special Features:

3000 psi operating pressure at max of 275 degrees

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
Between 0.650 inches and 0.670 inches
End Application
Aircraft, prowler ea=6b
Width Across Flats
Between 0.557 inches and 0.567 inches
Length To Shoulder
Between 0.515 inches and 0.535 inches
Smallest Inside Diameter
Between 0.317 inches and 0.320 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Tube Outside Diameter
0.250 inches
Seat Angle
45.00 degrees
Material
Steel comp 304
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
NSN
4730-00-001-3956
Part Number
ST57D100
Description
Nut,tube Coupling
CAGE
04236

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 ST57D100 NSN 4730-00-001-3956

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 0.0 X 0.0
Paclk Weight:
0.1000lbs
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 4730-00-001-3956 is a component of

  • Prowler Ea=6b Aircraft
  • Phantom F-4 Aircraft
  • Ch-47 Chinook Helicopter
  • Mh-53e Helicopter
  • Mx Peacekeeper Missile Support Equipment
  • F4s Aircraft
  • Velocity Pool Reparable Piece Parts
  • Hawkeye E-2c Fms- Aircraft
  • Aircraft Mh-47e Special Operations Aircraft
  • 011069519
  • Attack Helicopter
  • 010883669
  • Cargo-transport Helicopter
  • 011069519
  • Attack Helicopter

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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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