Hexagonal Nut, Plain, Slotted, Hexagon, Iron Alloy 660

Name: Hexagonal Nut, Plain, Slotted, Hexagon, Iron Alloy 660
SKU: 3M891-12

Part # 3M891-12

The 3M891-12 Nut is a durable fastener for aviation, made from Iron Alloy 660. With a slotted hexagon design, 110° countersink, dry film lubrication, and a right-hand thread size of 0.750 inches, it meets strict specs for performance and reliability in critical assemblies.

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WARNING: This product can expose you to chemicals including CADMIUM (NON-PYROPHORIC) which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Overview

Hexagonal Nut, 3M891-12 is a slotted nut that offers a reliable fastening solution. It is made from iron alloy 660 and is designed with a thread series of Unified National Joint Fine (UNJF). The right-hand thread direction ensures compatibility with standard fastening systems. With a minimum width across flats of 1.109 inches, this nut also features a flat bearing surface and a countersink angle of 110 degrees. The special dry film lubrication enhances its performance in specific applications, making it a durable choice for users.

Features & Benefits

Designed with a slotted hexagon shape for easy installation and removal
Right-hand thread direction enables straightforward engagement
Flat bearing surface provides enhanced stability when fastened
Specially treated with dry film lubrication for improved functionality

Technical Information

NIIN

011199345

NSN

5310-01-119-9345

FSCG

5310

FSCG Category

Nuts and Washers

UNSPSC Code

31161727

UNSPSC Category

Hexagonal nuts

Lead Time (Days)

374

Product Class Description

Hexagonal nuts

Country of Origin

United States

Harmonized Tariff Schedule Code

7318160085

Storage Required

Unit Of Measure

Pieces Per Pound

DFAR Applicable

Yes

Revision Level Applicable

Product Class

31161727

Material Composition

CRES

Design Holder CAGE Code

76301

Design Holder

MCDONNELL AIRCRAFT C

Potential Alternates

5310011199345

Bulk Item Reference Number

B80424

Shipping Details

Dry Ice

ECCN

EAR99

Proprietary Part

Hazmat

Buy now from

Boeing Distribution Services

This product is no longer available.

DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. See terms & conditions.