Model: 21AX475

Single Ball Sea Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Single ball seat, hexagon
Ball Seat Radius
0.013 inches
Nut Height
0.590 inches
End Application
Mrap buffalo mk2a2
Width Across Flats
1.013 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Part Name Assigned By Controlling Agency
Nut, hex lock
Material
Steel comp 1020 nut
Material Specification
Sae 100b assn standard single material response nut
NSN
5310-01-551-9499
Part Number
21AX475
Description
Nut,self-locking,single Ball Sea
CAGE
89619

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 21AX475 NSN 5310-01-551-9499

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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:
Trailers/Vehicles

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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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