Model: C4252

Single Ball Sea Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Style
Single ball seat, hexagon
Ball Seat Radius
0.750 inches
Nut Height
0.875 inches
Width Across Flats
Between 0.737 inches and 0.750 inches
Thread Series
Unf
Features Provided
Removable collar
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Material
Steel
Surface Treatment
Cadmium
NSN
5310-00-275-8277
Part Number
C4252
Description
Nut,self-locking,single Ball Sea
CAGE

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

Part C4252 NSN 5310-00-275-8277

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29732
FIIG:
A021A0
Concept No.:
1
App. Key:
CB
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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