Model: 509272

Hexag Single Ball Seat Plain Nut

Special Features:

63.0 microinch finish on special ball seat and 6 slots in face opposite bearing surface 0.160 in. W by 0.250 in. Deep for locking device

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Single ball seat, hexagon
Ball Seat Radius
Between 1.110 inches and 1.130 inches
Nut Height
Between 0.800 inches and 0.820 inches
Width Across Flats
Between 0.990 inches and 1.003 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
18
Thread Size
0.625 inches
Bearing Surface Finish
130.0 microinches
Material
Steel comp 4140 or steel comp 8640 or steel comp 8740
Material Specification
Astm a322 assn standard all material responses or astm a331 assn standard all material responses
NSN
5310-00-776-7434
Part Number
509272
Description
Nut,plain,single Ball Seat,hexag
CAGE
02978

A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.

Part 509272 NSN 5310-00-776-7434

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04892
FIIG:
A021A0
Concept No.:
1
App. Key:
AZ
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:
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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