Model: 639145

Clinch Self-locking Nut

Properties:

Thread Class
3bg
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
Between 0.372 inches and 0.376 inches
Pilot Length
Between 0.124 inches and 0.130 inches
Counterbore Diameter
0.329 inches nut and 0.334 inches nut
Nut Style
Clinch
Nut Diameter
0.460 inches
Nut Height
0.492 inches
Nut Counterbore Depth
0.112 inches nut and 0.142 inches nut
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Ams 2410 assn standard single treatment response
NSN
5310-00-971-7242
Part Number
639145
Description
Nut,self-locking,clinch
CAGE
77445

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part 639145 NSN 5310-00-971-7242

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15892
FIIG:
A021A0
Concept No.:
1
App. Key:
BN
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:
S
ESD:
ESD:
MMAC:
CRITL:
X

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

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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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