Model: 68NA21J0K

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate
Nut Length
Between 1.266 inches and 1.296 inches
Nut Height
Between 0.298 inches and 0.328 inches
Plate Thickness
Between 0.027 inches and 0.037 inches
Plate Width
Between 0.719 inches and 0.749 inches
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.495 inches and 0.505 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.998 inches and 1.002 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Aluminum alloy 2024 nut
Material
Aluminum alloy 2024 shell
Material
Plastic polyamide locking insert
Material Specification
Mil-p-17091, type 1 military specification single material response locking insert
Material Specification
Qq-a-250/4 federal specification single material response nut
Material Specification
Qq-a-250/4 federal specification single material response shell
Surface Treatment
Anodize nut
Surface Treatment
Anodize shell
Surface Treatment Specification
Mil-a-8625 military specification single treatment response nut
Surface Treatment Specification
Mil-a-8625 military specification single treatment response shell
NSN
5310-00-638-7244
Part Number
68NA21J0K
Description
Nut,self-locking,plate
CAGE
019L2

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part 68NA21J0K NSN 5310-00-638-7244

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
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:
--
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:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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