Model: 68NKM40

Cap Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Cap
Nut Height
Between 0.226 inches and 0.256 inches
Width Across Flats
Between 0.240 inches and 0.252 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
40
Thread Size
0.112 inches
Bearing Surface Type
Chamfered or washer faced
Material
Aluminum alloy 2024 nut or aluminum alloy 2017 nut
Material
Plastic polyamide cap
Material
Plastic polyamide locking insert
Material Specification
Mil-p-17091 military specification single material response cap
Material Specification
Qq-a-225/6 federal specification 1st material response nut or qq-a-225/5 federal specification 2nd material response nut
Surface Treatment
Anodize nut
Surface Treatment Specification
Mil-a-8625 military specification single treatment response nut or mil-a-8625, type 2 military specification single treatment response nut
NSN
5310-00-647-3428
Part Number
68NKM40
Description
Nut,self-locking,cap
CAGE
019L2

A nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes nut (1), stamped.

Part 68NKM40 NSN 5310-00-647-3428

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05275
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
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:
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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