Model: 751-6402401 ITEM 9

Hexagon Self-locking Nut

Description:

3b thread class, right-hand , prevailing torque with nonmetallic insert locking feature, hexagon nut style, 0.855 mils nut height.

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Hexagon

Nut Height

0.855 mils and 0.891 centimeters

End Application

Submarine vertical launch system (vls), systems, jp-5 aviation fuels, ssbn mk-118 fire control sys, forrestal class cv, nimitz class cvn, dry deck shelter, ticonderoga class cg (47), spruance class dd (963), los angeles class ss (688)

Width Across Flats

Between 1.052 inches and 1.068 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.750 inches

Countersink Angle

88.0 degrees nut

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

Nickel alloy 400 nut or nickel alloy r-405 nut

Material

Plastic polyhexamethylene amide locking insert

Material Specification

Astm d4066, comp a, type 1 assn standard single material response locking insert

Special Test Features

Special quality control testing

Test Data Document

81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Departure From Cited Designator

As modified by material which must conform to ships parts control center special quality control provisions

NSN

5310-00-006-2250

Part Number

751-6402401 ITEM 9

Description

Nut,self-locking,hexagon

CAGE

53711

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 751-6402401 ITEM 9 NSN 5310-00-006-2250

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

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:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-006-2250 is a component of

F Ssbn Mk-118 Fire Control Sys Jp-5 Aviation Fuels Systems Submarine Vertical Launch System (vls)

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)