Model: 539911

Barrel Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Counterbore Diameter

0.500 inches nut

Nut Style

Non-floating self-locking barrel

Nut Diameter

Between 0.738 inches and 0.741 inches

Nut Length

1.063 inches

Barrel Height

0.475 inches

Nut Height

Between 0.563 inches and 0.593 inches

Nut Counterbore Depth

0.094 inches nut

Tempurature Rating

350.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 26.0 rockwell c and 32.0 rockwell c

Thread Size

0.438 inches

Material

Steel comp 4130 or steel comp 8630 or plastic polyamide

Material Specification

Sae assn standard 1st material response or sae federal specification 2nd material response

Surface Treatment

Cadmium except insert

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification single treatment response except insert

NSN

5310-00-174-7421

Part Number

539911

Description

Nut,self-locking,barrel

CAGE

28839

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Part 539911 NSN 5310-00-174-7421

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15891

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

Pricing & Availability Check

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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