Model: 3M129A256

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Free-running all metal design
Nut Style
Hexagon
Nut Height
0.107 inches
Width Across Flats
0.154 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
56
Thread Size
0.086 inches
Bearing Surface Type
Chamfered
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
NSN
5310-00-434-9697
Part Number
3M129A256
Description
Nut,self-locking,hexagon
CAGE
76301

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 3M129A256 NSN 5310-00-434-9697

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
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

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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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