Model: 4027891

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Mounting Hole Diameter

Between 0.098 inches and 0.113 inches

Nut Style

Plate

Nut Length

1.530 inches

Nut Height

0.265 inches

Plate Thickness

Between 0.055 inches and 0.075 inches

Plate Width

0.377 inches

Nut Mounting Provision

Countersunk holes

Mounting Provision Location

Opposite nut projection side

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.565 inches and 0.575 inches

Center To Center Distance Between Mounting Holes Along Length

Between 1.138 inches and 1.142 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Countersink Angle

99.0 degrees nut and 101.0 degrees nut

Mounting Hole Countersink Angle

Between 98.0 degrees and 102.0 degrees

Material

Iron alloy 660

Material Specification

Ams 5735 assn standard single material response or ams 5737 assn standard single material response

Surface Treatment

Silver

Surface Treatment Specification

Ams 2411 assn standard single treatment response

NSN

5310-00-369-5759

Part Number

4027891

Description

Nut,self-locking,plate

CAGE

77445

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 4027891 NSN 5310-00-369-5759

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