Model: 751678-1-1

Internal Wrench Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Width Between Flats
Between 0.188 inches and 0.190 inches
Locking Feature
Prevailing torque with metallic insert
Internal Drive Style
Socket
Nut Diameter
1.000 inches
Nut Height
0.975 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Thread Size
0.250 inches
Material
Steel comp 4340
Material Specification
Ams 6415 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Hs74 type 2, class 2 mfr ref single treatment response
NSN
5310-01-210-9449
Part Number
751678-1-1
Description
Nut,self-locking,internal Wrench
CAGE
73030

A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench. An integral feature is incorporated for locking on the threads of a mating member.

Part 751678-1-1 NSN 5310-01-210-9449

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05284
FIIG:
A021A0
Concept No.:
1
App. Key:
BX
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:
A
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:
Q

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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