Model: 3M891-8

Hexagon Slotted Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Slotted, hexagon

Nut Height

Between 0.333 inches and 0.353 inches

Width Across Flats

Between 0.732 inches and 0.752 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Countersink Angle

110.0 degrees first end

Bearing Surface Type

Washer faced

Material

Iron alloy 660

Material Specification

Ams 5731 assn standard single material response or ams 5732 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-130-9048

Part Number

3M891-8

Description

Nut,plain,slotted,hexagon

CAGE

76301

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 3M891-8 NSN 5310-01-130-9048

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01859

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:

0.1000lbs

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