Model: 40561-16L

Tube Coupling Nut

Special Features:

With lockwire holes; lubricant dry film nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Tube coupling
Nut Height
Between 1.121 inches and 1.141 inches
Width Across Flats
Between 1.496 inches and 1.503 inches
Length To Shoulder
Between 0.957 inches and 0.967 inches
Smallest Inside Diameter
Between 1.089 inches and 1.092 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
12
Thread Size
1.312 inches
Seat Angle
Between 40.0 degrees and 50.0 degrees
Material
Steel nut
Material Specification
Mil-f-5509 military specification single material response nut
Surface Treatment Specification
Mil-f-5509 military specification single treatment response nut
NSN
4730-01-087-4310
Part Number
40561-16L
Description
Nut,tube Coupling
CAGE
77969

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 40561-16L NSN 4730-01-087-4310

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:
713
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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