Model: 3M891-9

Hexagon Castellated Plain Nut

Properties:

Thread Class

Thread Pitch Diameters

+0.5264/+0.5308 inches

Thread Direction

Right-hand

Nut Style

Castellated, hexagon

Nut Height

Between 0.385 inches and 0.405 inches

Width Across Flats

Between 0.863 inches and 0.877 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.562 inches

Bearing Surface Type

Chamfered

Material

Stainless steel

Material Specification

Ams5731 assn standard all material responses or ams5732 assn standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification all treatment responses

NSN

5310-01-472-3474

Part Number

3M891-9

Description

Nut,plain,castellated,hexagon

CAGE

15653

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Part 3M891-9 NSN 5310-01-472-3474

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01854

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:

576

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