Model: KC6553

Hexag Double Ball Seat Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Double ball seat, hexagon
Ball Seat Radius
Between 0.984 inches and 1.016 inches
Nut Height
Between 0.484 inches and 0.516 inches
Width Across Flats
Between 0.859 inches and 0.891 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
13
Thread Size
0.500 inches
Material
Steel comp 1132 or steel comp 1137
Material Specification
Qq-s-637 federal specification all material responses
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416 type 1 cl 3 federal specification 1st treatment response and qq-z-325 type 1 cl 3 federal specification 2nd treatment response
NSN
5310-00-595-9659
Part Number
KC6553
Description
Nut,plain,double Ball Seat,hexag
CAGE

A nut having opposite convex spherical bearing surfaces and 6 flat sides.

Part KC6553 NSN 5310-00-595-9659

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04891
FIIG:
A021A0
Concept No.:
1
App. Key:
AN
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:
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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