Model: AS5178T04

Hexagon Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
0.250 inches
End Application
F-22 aircraft
Width Across Flats
Between 0.678 inches and 0.691 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.437 inches
Bearing Surface Type
Washer faced
Part Name Assigned By Controlling Agency
Nut, plain, hexagon
Material
Titanium alloy uns r56400
Material Specification
Ams 4928 assn standard single material response
Surface Treatment
Anodize or phosphate
Surface Treatment Specification
Ams 2488 assn standard single treatment response or ams 2486 assn standard single treatment response
NSN
5310-01-519-4726
Part Number
AS5178T04
Description
Nut,plain,hexagon
CAGE
81343

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 AS5178T04 NSN 5310-01-519-4726

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:
FR
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093470
UFC:
48940
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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