NUTPLATE: SELF-LKG,ST, NO LONGER AVAILABLE

Hardware Misc

Part # MS21069L4=28

Forecastable
Forecastable
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Boeing Distribution (formerly Aviall)

Overview

The MS21069L4 is a two lug thin anchor nut designed for high-temperature applications. Made from heat-treated, cadmium-plated steel with a dry film lubricant, it is particularly suited for use in blind clearance areas, ensuring reliable fastening in challenging environments.

Features & Benefits

  • Heat-treated for enhanced strength and durability
  • Cadmium-plated for corrosion resistance
  • Dry film lubricant applied for improved performance
  • Reliable fastening in high-temperature conditions
  • Ideal for use in confined spaces
  • Long-lasting protection against wear and corrosion

Specifications

  • Dash Number: L4
  • Width: 0.38 to 0.414 in
  • Finish: Cadmium-Plated
  • Material: Steel
  • Lubrication: Dry Film
  • Mounting Hole Center-to-Center: 0.56 to 0.564 in
  • Mounting Hole Diameter: 0.098 to 0.103 in
  • Mounting Type: Straight Hole
  • Number of Holes: 2
  • Nut Dimensions: 0.786 in L x 0.281 in H
  • Temperature Rating: 450 deg F
  • Thickness: 0.055 in
  • Thread Class: 3B
  • Thread Direction: Right Hand
  • Thread Per Inch: 28
  • Thread Size: 1/4 in
  • Thread Type: UNJF
  • Domestic/Import: Import

Technical Information
  • FAA-STD Approved
  • QQ-P-416 Type 2 Class 3

Technical Information

ATA Number

10,
25,
27,
28,
32,
52,
53,
54,
57,
64,
71,
92

ATA Chapter

Parking, Mooring, Storage & Return To Service
Equipment / Furnishings
Flight Controls
Fuel
Landing Gear
Doors
6 more

ATA Group

Aircraft General
Airframe Systems
Structure
Propeller/Rotor
Power Plant
Peculiar Military Chapters

ATA Section

Parking, Mooring, Storage & Return To Service
CARGO COMPARTMENTS
ELECTRICAL EQUIPMENT RACK MOISTURE SHROUD
Aileron & Tab
Rudder & Tab
Storage
23 more

FAA Approval Code

STD

CAGE Code

9V172

Country of Origin

Italy

Harmonized Tariff Schedule Code

7318160000

Material Status

ZR

Lead Time (Days)

30

Shelf Life

No

Forecasted

No

Dimensions (L x W x H)

0.75 x 0.40 x 0.25 Inch

Package Weight

0.01 LB

Aircraft Makes

Airbus
Boeing
Embraer
Beech
Cessna
McDonnell Douglas
1 more

Aircraft Models

737-400SF
DC10
ERJ-170-100
737-900
800XPi
727-100
99 more

Shipping Details

Hazmat Code

ZND

ECCN

EAR99

Schedule B

7318160000

8130-3 Eligible

No

Hazmat

No

Part Explosive

No
Buy now from
Boeing Distribution (formerly Aviall)
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.