Model: 1741AS290-31

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Hexagon

Nut Height

0.609 inches

Width Across Flats

Between 0.741 inches and 0.752 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Bearing Surface Type

Chamfered or washer faced

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Material Specification

Sae j995 grade 5 assn standard single material response

NSN

5310-01-440-1110

Part Number

1741AS290-31

Description

Nut,self-locking,hexagon

CAGE

30003

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 1741AS290-31 NSN 5310-01-440-1110

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

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