Model: 74640-4

Hexagon Slotted Plain Nut

Special Features:

Dyed orange

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Slotted, hexagon
Nut Height
0.188 inches
Width Across Flats
Between 0.428 inches and 0.440 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 27.0 rockwell c and 33.0 rockwell c
Thread Size
0.250 inches
Countersink Angle
110.0 degrees nut
Bearing Surface Type
Washer faced
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Specification Data
76301-st3-404 manufacturers standard
NSN
5310-00-354-5413
Part Number
74640-4
Description
Nut,plain,slotted,hexagon
CAGE
56878

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.

Part 74640-4 NSN 5310-00-354-5413

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01859
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
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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