Model: H49890-4MM

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Lubrication

Dry film lubricant

Nut Style

Hexagon

Nut Height

6.90 millimeters

Width Across Flats

Between 6.85 millimeters and 7.00 millimeters

Thread Series

Iso m

Thread Size

4.00 millimeters

Thread Pitch In Millimeters

0.70

Bearing Surface Type

Washer faced

Thread Tolerance Class

6h internal

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 303 or steel comp 304 or steel comp 321

Material Specification

Qq-s-763 federal specification all material responses

NSN

5310-01-363-4885

Part Number

H49890-4MM

Description

Nut,self-locking,hexagon

CAGE

15653

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 H49890-4MM NSN 5310-01-363-4885

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