Model: 79NC4-82

Clinch Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Pilot Diameter
Between 0.273 inches and 0.277 inches
Pilot Length
Between 0.129 inches and 0.141 inches
Counterbore Diameter
0.220 inches nut
Lubrication
Soluble lubricant
Nut Style
Clinch
Nut Height
0.379 mils and 0.391 centimeters
Nut Counterbore Depth
0.135 inches nut
Width Across Flats
0.375 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Thread Size
0.164 inches
Material
Plastic polyhexamethylene amide locking insert or plastic polycaprolactam locking insert
Material
Steel comp 303 nut or steel comp 303se nut or steel comp 303 plus x nut
Material Specification
Am 5640 assn standard 2nd material response nut
Material Specification
Mil-m-20693 military specification 1st material response locking insert
Surface Treatment
Passivate except insert
NSN
5310-00-849-0627
Part Number
79NC4-82
Description
Nut,self-locking,clinch
CAGE
019L2

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 79NC4-82 NSN 5310-00-849-0627

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:
U
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

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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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