Model: 2752-054

Barrel Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Counterbore Diameter

0.339 inches nut and 0.349 inches nut

Nut Style

Floating self-locking barrel

Nut Diameter

Between 0.550 inches and 0.553 inches

Nut Length

0.610 inches

Barrel Height

Between 0.409 inches and 0.429 inches

Nut Height

0.464 inches

Nut Counterbore Depth

0.103 inches nut and 0.123 inches nut

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Hardness Rating

Between 29.0 rockwell c and 37.0 rockwell c

Thread Size

0.312 inches

Material

Plastic polyamide locking insert

Material

Steel comp 4130 nut or steel comp 4140 nut or steel comp 4340 nut

Material Specification

66 federal standard 2nd material response nut or 66 federal standard 3rd material response nut or mil-s-5000 military specification 4th material response nut

Surface Treatment

Cadmium except insert

Surface Treatment Specification

Qq-p-416 type 2, cl 3 federal specification single treatment response except insert

NSN

5310-00-570-4049

Part Number

2752-054

Description

Nut,self-locking,barrel

CAGE

06329

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 2752-054 NSN 5310-00-570-4049

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:

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