Model: MS21078-8

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Mounting Hole Diameter

Between 0.161 inches and 0.166 inches

Nut Style

Plate

Nut Length

1.602 inches

Nut Height

Between 0.575 inches and 0.609 inches

Plate Thickness

0.115 inches

Plate Width

Between 0.796 inches and 0.859 inches

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.620 inches and 0.630 inches

Center To Center Distance Between Mounting Holes Along Length

Between 1.248 inches and 1.252 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

32.0 rockwell c

Thread Size

0.500 inches

Countersink Angle

88.0 degrees nut and 102.0 degrees nut

Material

Plastic polyamide locking insert

Material

Steel nut

Surface Treatment

Cadmium nut

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response nut

NSN

5310-00-728-6363

Part Number

MS21078-8

Description

Nut,self-locking,plate

CAGE

80205

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 MS21078-8 NSN 5310-00-728-6363

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:

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