Model: 3M1191-18

Hexagon Self-locking Nut

Properties:

Thread Class

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)

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

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