Model: 131-51

Hexagon Self-locking Nut
Description:

3b thread class, right-hand , prevailing torque with nonmetallic insert locking feature, hexagon nut style, 0.438 inches nut height.

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
Between 0.438 inches and 0.468 inches
Width Across Flats
Between 0.615 inches and 0.627 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjc
Thready Qty Per Inch (tpi)
14
Thread Size
0.438 inches
Bearing Surface Type
Chamfered
Bearing Surface Finish
125.0 microinches
Material
Steel comp 1212 nut
Material Specification
Ams 5010 assn standard single material response nut
Material Specification
Mil-m-20693 military specification all material responses locking insert
Surface Treatment
Zinc except insert
Surface Treatment Specification
Qq-z-325, type 1, cl 3 federal specification single treatment response except insert
NSN
5310-00-010-8414
Part Number
131-51
Description
Nut,self-locking,hexagon
CAGE
10988

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 131-51 NSN 5310-00-010-8414

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:
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:
093460
UFC:
48930
LTL:
70.0
LCL:
--
WCC:
713
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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