Model: HK52207P7

Single Ball Sea Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Single ball seat, hexagon
Ball Seat Radius
Between 0.496 inches and 0.501 inches
Nut Height
Between 0.310 inches and 0.320 inches
Width Across Flats
Between 0.492 inches and 0.502 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Hardness Rating
Between 38.0 rockwell c and 44.0 rockwell c
Thread Size
0.438 inches
Material
Steel comp 8740 or steel comp e4340 or steel comp 4037
Material Specification
Mil-s-6049 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8695 military specification 3rd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
NSN
5310-01-322-7330
Part Number
HK52207P7
Description
Nut,self-locking,single Ball Sea
CAGE
15653

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 HK52207P7 NSN 5310-01-322-7330

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:
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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