Model: 75F6021

Knurled Plain Nut

Special Features:

12 serrations on side opposite bearing surface and 6 notches 0.078 in. W by 0.040 in. Deep spaced alternately with serrations

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Knurled

Nut Diameter

Between 0.680 inches and 0.690 inches

Nut Thickness

Between 0.245 inches and 0.255 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 43.0 rockwell c and 48.0 rockwell c

Thread Size

0.375 inches

Countersink Angle

90.0 degrees nut

Material

Steel comp 1035

Material Specification

Qq-s-633-canc federal specification single material response

Surface Treatment

Phosphate

NSN

5310-00-731-2027

Part Number

75F6021

Description

Nut,plain,knurled

CAGE

F5322

A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

Part 75F6021 NSN 5310-00-731-2027

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15886

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