Model: NAS1423-20

Hexagon Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
Between 0.271 inches and 0.291 inches
Drilled Hole Diameter
Between 0.069 inches and 0.074 inches
Hole Type And Quantity
3 drilled
Width Across Flats
Between 1.728 inches and 1.752 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
12
Hardness Rating
Between 34.0 rockwell c and 38.0 rockwell c
Thread Size
1.2500 inches
Hole Configuration Style
Configuration b
Countersink Angle
110.0 degrees nut
Bearing Surface Type
Chamfered
Material
Steel comp 4130 or steel comp 4340 or steel comp e4340
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-5000 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Specification Data
80205-nas1423 professional/industrial association standard
NSN
5310-01-244-8912
Part Number
NAS1423-20
Description
Nut,plain,hexagon
CAGE
80205

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part NAS1423-20 NSN 5310-01-244-8912

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01857
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
--
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:
E
LVL_B:

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 5310-01-244-8912 is a component of

  • Galaxy C-5 Aircraft
  • Airlifter C-17a Aircraft
  • 012270705
  • Transportatio Strut
  • 007087958
  • Vehicle Loading Ramp
  • 013556209
  • Rigid Connecting Link
  • 013554301
  • Rigid Connecting Link

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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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