Model: NAS1791C4-6K

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.254 inches nut

Lubrication

Soluble lubricant

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate (floating)

Nut Length

1.292 inches

Nut Height

0.605 inches

Plate Thickness

Between 0.027 inches and 0.037 inches

Plate Width

0.584 inches

Nut Counterbore Depth

0.375 inches nut

Nut Mounting Provision

Dimpled holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.495 inches and 0.505 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.998 inches and 1.002 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

Iron alloy 660 nut

Material

Iron alloy 660 shell

Material Specification

Ams5525 assn standard single material response nut or ams5732 assn standard single material response nut or ams5737 assn standard single material response nut

Material Specification

Ams5525 assn standard single material response shell

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-358-6676

Part Number

NAS1791C4-6K

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 NAS1791C4-6K NSN 5310-01-358-6676

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

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