Model: MK1001-4BC

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Lubrication

Dry film lubricant

Nut Length

0.788 inches

Nut Height

0.281 inches

Plate Thickness

0.040 inches

Plate Width

0.414 inches

Center To Center Distance Between Mounting Holes Along Width

0.562 inches

Drilled Hole Diameter

0.098 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Thread Tolerance Class

3b internal

Material

Iron alloy 660

Material Specification

Mil-s-7742 military specification 1st material response

Surface Treatment

Disulfide molybdenum

NSN

5310-01-553-6036

Part Number

MK1001-4BC

Description

Nut,self-locking,plate

CAGE

75237

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part MK1001-4BC NSN 5310-01-553-6036

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05280

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:

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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