Model: NS202904-4-3

Plate Self-locking Nut

Special Features:

Color red

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.254 inches base

Lubrication

Dry film lubricant

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate

Nut Length

0.791 inches

Nut Height

0.411 inches

Plate Thickness

0.125 inches

Plate Width

0.500 inches

Nut Counterbore Depth

0.188 inches base and 0.198 inches base

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.276 inches and 0.286 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.560 inches and 0.564 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 1050 shell or steel comp 301 shell or steel comp 302 shell or steel comp 304 shell or steel comp 316 shell

Material

Steel comp 4130 nut or steel comp 4140 nut or steel comp 8740 nut

Material Specification

Ams 6350 assn standard 1st material response nut or mil-s-5626 military specification 2nd material response nut or mil-s-6049 military specification 3rd material response nut

Material Specification

Mil-s-5059 military specification 2nd material response shell or mil-s-5059 military specification 3rd material response shell or mil-s-5059 military specification 4th material response shell or mil-s-5059 military specification 5th material response shell

Surface Treatment

Cadmium nut

Surface Treatment

Cadmium shell and chromate shell or passivate shell

Surface Treatment Specification

Qq-p-416, type 1, cl 2 federal specification single treatment response nut

Surface Treatment Specification

Qq-p-416, type 2, cl2 federal specification 1st treatment response shell or qq-p-35 federal specification 2nd treatment response shell

NSN

5310-01-237-2636

Part Number

NS202904-4-3

Description

Nut,self-locking,plate

CAGE

80539

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 NS202904-4-3 NSN 5310-01-237-2636

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