Model: 12BO54

Internal Wrench Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Width Between Flats

0.406 inches

Locking Feature

Prevailing torque with nonmetallic insert

Internal Drive Style

Double hexagon

Nut Style

Internal wrenching

Nut Diameter

0.594 inches

Nut Height

0.750 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Material

Plastic polyamide locking insert

Material

Steel comp 4130 except insert or steel comp 8630 except insert

Material Specification

66 federal standard all material responses except insert

Surface Treatment

Cadmium nut

NSN

5310-00-208-1533

Part Number

12BO54

Description

Nut,self-locking,internal Wrench

CAGE

019L2

A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench. An integral feature is incorporated for locking on the threads of a mating member.

Part 12BO54 NSN 5310-00-208-1533

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05284

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