Model: 1780M1

Sheet Spring Nut

Special Features:

For no. 14 sheet metal screw

Properties:

Material Thickness

0.037 inches

Mating Member Diameter Accommodated

0.281 inches

Nut Style

Sheet spring

Nut Length

1.000 inches

Nut Width

0.562 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Phosphate and chromate

Surface Treatment

Phosphate and chromate

NSN

5310-00-433-1391

Part Number

1780M1

Description

Nut,sheet Spring

CAGE

78553

A nut formed from sheet spring material, usually steel, into varying flat, concave, bent or curved designs, having apertures with suitable boss or bosses usually on the upper side capable of securely gripping a mating threaded member. Excludes nut (1), stamped.

Part 1780M1 NSN 5310-00-433-1391

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01865

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

177940

UFC:

87400

LTL:

RATING VARIABLE

LCL:

WCC:

576

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