Model: 3H1918N20

Hexagon Slotted Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Slotted, hexagon
Nut Height
1.000 inches
Width Across Flats
Between 1.088 inches and 1.125 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
16
Thread Size
0.750 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel
Material Specification
Mil-s-1222, class 2b military specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Nondefinitive Specification/std Data
4 type and 2 style
Departure From Cited Designator
As modified by matl or thd class or height
NSN
5310-00-275-1853
Part Number
3H1918N20
Description
Nut,plain,slotted,hexagon
CAGE
80063

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 3H1918N20 NSN 5310-00-275-1853

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:
0.2000lbs
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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