Model: KFN644-4

Self-locking Nut

Properties:

General Description
Alloy steel; cadmium plated, qq-p-416, type 2, class 3; hardness rating rc39-43; thd series 0.250-28unjf-3b; nut h 0.320 in. Max; nut diameter 0.420 in.; counterbore depth 0.112 in.; counterbore diameter 0.286 in.; special wrench configuration for no. 10 spline drive; 8 splines; deformed thd locking feature
NSN
5310-01-093-3601
Part Number
KFN644-4
Description
Nut,self-locking
CAGE
15653

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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