Model: K874384-011

Blower Drive Clamping Nut

Special Features:

4340 steel; i.V.D. Aluminum coated; internal threads 1.375 in. Dia. By 16 threads per inch, unj thread series, threaded class 3b; heat treated to 140 - 170 ksi tensile strength rc 32 to 38; counterbore 1.380 to 1.410 in. Dia. With countersink angle of 90 deg. both ends; internal involute spline with 28 teeth, a major dia. Of 1.838in. Max., and minor dia. Of 1.688 to 1.693 in.; located at sta 185.0, wl 131.0, and -9.17 bl

Properties:

Overall Width
0.755 inches
Overall Diameter
2.076 inches
End Application
Sh-2 (a) seasprite helicopter
Material
Steel
NSN
5310-01-474-1191
Part Number
K874384-011
Description
Nut,clamping,blower Drive
CAGE
84955

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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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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