Model: 79M48

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
Between 0.133 inches and 0.153 inches
Width Across Flats
Between 0.243 inches and 0.251 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
48
Thread Size
0.112 inches
Bearing Surface Type
Chamfered
Bearing Surface Finish
125.0 microinches
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
Ams 5640 assn standard single material response nut
Material Specification
Mil-m-20693 military specification single material response locking insert
Surface Treatment
Passivate except insert
NSN
5310-00-208-2630
Part Number
79M48
Description
Nut,self-locking,hexagon
CAGE
019L2

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 79M48 NSN 5310-00-208-2630

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
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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