Model: 642A50728-1

Barrel Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.344 inches nut and 0.354 inches nut
Lubrication
Dry film lubricant
Nut Style
Floating self-locking barrel
Nut Diameter
Between 0.587 inches and 0.590 inches
Nut Length
Between 0.678 inches and 0.698 inches
Barrel Height
Between 0.350 inches and 0.360 inches
Nut Height
0.468 inches
Nut Counterbore Depth
0.120 inches nut and 0.130 inches nut
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 36.0 rockwell c and 43.0 rockwell c
Thread Size
0.312 inches
Material
Steel comp 4140 nut or steel comp 8740 nut or steel comp e4340 nut
Material Specification
Mil-s-5626 military specification 1st material response nut or mil-s-6049 military specification 2nd material response nut or mil-s-5000 military specification 3rd material response nut
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Specification Data
80205-nas577 professional/industrial association standard
NSN
5310-00-839-2017
Part Number
642A50728-1
Description
Nut,self-locking,barrel
CAGE
30003

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Part 642A50728-1 NSN 5310-00-839-2017

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15891
FIIG:
A021A0
Concept No.:
1
App. Key:
BH
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:
CRITL:
F

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:
Q

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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