Model: 3M157C4PW

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Welding Projection Quantity

Overall Height

0.453 inches

Nut Style

Plate

Nut Length

1.296 inches

Nut Height

0.315 inches

Plate Thickness

0.040 inches

Plate Width

Between 0.490 inches and 0.510 inches

Nut Mounting Provision

Welding projections

Mounting Provision Location

Opposite nut projection side

Tempurature Rating

800.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Stainless steel

Precious Material And Location

Nut external surfaces silver

Surface Treatment

Silver nut

Surface Treatment

Passivate shell

NSN

5310-00-128-1974

Part Number

3M157C4PW

Description

Nut,self-locking,plate

CAGE

76301

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 3M157C4PW NSN 5310-00-128-1974

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:

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