Model: 3M1191-18

Hexagon Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Lubrication
Dry film lubricant
Nut Style
Hexagon
Nut Height
Between 0.550 inches and 0.600 inches
End Application
F-15e aircraft
Width Across Flats
Between 1.605 inches and 1.627 inches
Tempurature Rating
Between -65.0 degrees fahrenheit and 250.0 degrees fahrenheit
Thread Series
Unjef
Thready Qty Per Inch (tpi)
18
Thread Size
1.125 inches
Bearing Surface Type
Chamfered
Material
Iron alloy 660 nut
Material
Plastic locking insert
Material Specification
Ams 5731 assn standard single material response nut or ams 5732 assn standard single material response nut or ams 5737 assn standard single material response nut
Material Specification
Mil-f-18240, type b military specification single material response locking insert
Surface Treatment
Passivate except insert
Surface Treatment Specification
Qq-p-25 federal specification single treatment response except insert
NSN
5310-01-327-5700
Part Number
3M1191-18
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 3M1191-18 NSN 5310-01-327-5700

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:
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:
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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