Model: 54404-524-S37

Double Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.335 inches nut and 0.345 inches nut

Nut Style

Double hexagon

Nut Height

Between 0.578 inches and 0.588 inches

Nut Counterbore Depth

0.110 inches nut

Width Across Flats

Between 0.362 inches and 0.377 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Bearing Surface Type

Chamfered or washer faced

Material

Steel comp 601

Material Specification

Ams 6304 assn standard single material response

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

NSN

5310-00-688-1433

Part Number

54404-524-S37

Description

Nut,self-locking,double Hexagon

CAGE

56878

A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Part 54404-524-S37 NSN 5310-00-688-1433

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05276

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:

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