Model: 998669R1

Hexagon Slotted Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Slotted, hexagon

Nut Height

Between 0.600 inches and 0.620 inches

Width Across Flats

Between 0.8650 inches and 0.8775 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 32.0 rockwell c and 36.0 rockwell c

Thread Size

0.562 inches

Countersink Angle

89.0 degrees nut and 91.0 degrees nut

Bearing Surface Type

Chamfered or washer faced

Material

Steel comp 4140 or steel comp 8640 or steel comp 8740

Material Specification

Astm a322 assn standard all material responses or astm a331 assn standard all material responses

NSN

5310-00-720-7627

Part Number

998669R1

Description

Nut,plain,slotted,hexagon

CAGE

89346

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 998669R1 NSN 5310-00-720-7627

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