Model: BK5149-85A

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Pilot Diameter

Between 0.273 inches and 0.277 inches

Pilot Length

Between 0.159 inches and 0.171 inches

Counterbore Diameter

0.220 inches nut

Nut Style

Clinch

Nut Height

Between 0.409 inches and 0.421 inches

Nut Counterbore Depth

0.165 inches nut

Width Across Flats

0.375 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.164 inches

Material

Aluminum alloy 2017 nut

Material

Plastic polyhexamethylene amide locking insert or plastic polycaprolactam locking insert

Material Specification

Ams 4118 assn standard 1st material response nut

Material Specification

Mil-m-20693 military specification 2nd material response locking insert

Surface Treatment

Anodize except insert

Surface Treatment Specification

Mil-a-8625 military specification single treatment response except insert

NSN

5310-00-877-5451

Part Number

BK5149-85A

Description

Nut,self-locking,clinch

CAGE

82199

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part BK5149-85A NSN 5310-00-877-5451

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15892

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:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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Schedule B and Export

Schedule B: 7616995095
SITC: 69979
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Articles of aluminum nesoi