Model: 753949

Hex Castellated Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Free-running all metal design

Nut Style

Castellated, hexagon

Nut Height

0.320 inches

Width Across Flats

0.435 inches

Thread Series

Unjs

Thready Qty Per Inch (tpi)

Hardness Rating

26.0 rockwell c

Thread Size

0.250 inches

Bearing Surface Type

Chamfered

Material

Steel comp 11l37

Material Specification

Ams 5020 assn standard single material response

NSN

5310-01-015-5728

Part Number

753949

Description

Nut,self-locking,castellated,hex

CAGE

77445

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes nut (1), self-locking, slotted, hexagon.

Part 753949 NSN 5310-01-015-5728

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29725

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:

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:

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