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Nut, Self-Locking, Steel

Part # MS21042-5

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Certifications:

MS21042-5

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Certs Required:

The MS21042-5 Self-Locking Nut is a high-quality aviation fastener made from durable steel. Featuring an all-metal design with a nominal thread size of 0.312 inches, it meets FAA standards and offers excellent corrosion resistance, making it reliable for various critical applications.
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WARNING: This product can expose you to chemicals including CADMIUM (NON-PYROPHORIC) which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Overview

Nut is a self-locking steel component identified by MS21042-5. This hexagon nut is designed with a prevailing torque all metal locking feature, ensuring a strong and reliable fastening. The nominal thread size is 0.312 inches with a thread quantity of 24 per inch, providing a fine adjustment for secure connections. The nut also has a temperature rating of 450.0 Fahrenheit, making it suitable for high-temperature environments. The overall height ranges from 0.251 to 0.266 inches, with a washer outside diameter of 0.520 inches to enhance its stability.

Features & Benefits

Features
  • Self-locking design with prevailing torque for secure fastening.
  • Constructed from high-strength steel for durability.
  • Cadmium and chromate surface treatment for corrosion resistance.
  • FAA certified for use in critical aviation applications.
Benefits
  • Ensures long-lasting performance in demanding aviation environments.
  • Provides reliable fastening to enhance safety and operational efficiency.
  • Resists corrosion, extending the lifespan of the fastener.
  • Complies with industry standards, ensuring quality and performance.

Technical Information

ATA Number

21,
23,
24,
25,
26,
27,
29,
30,
31,
32,
34,
36,
49,
52,
53,
54,
55,
57,
71,
78

ATA Chapter

Air Conditioning
Communications
Electrical Power
Equipment / Furnishings
Fire Protection
Flight Controls
14 more

ATA Group

Airframe Systems
Structure
Power Plant

ATA Section

PASSENGER CABIN CONDITIONED AIR DISTRIBUTION SYSTEM
PRESSURIZATION CONTROL SYSTEM
COOLING
RAM AIR SYSTEM
UNDERWATER LOCATING DEVICE (ULD) SYSTEM
General
67 more

NIIN

008071469

NSN

5310-00-807-1469

FSCG

5310

FSCG Category

Nuts and Washers

Lead Time (Days)

465

Not For Sale

No

Product Class Description

Locknuts

Country of Origin

United States
Mexico

Harmonized Tariff Schedule Code

7318160085

Manufacturer CAGE Code

60119
0165Y
52828
66776
019L2
15653
1 more

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

Yes

Revision Level Applicable

Yes

Product Class

31161716

Material Composition

ALLOY STEEL,STEEL

Design Holder CAGE Code

96906

Design Holder

MS STANDARDS

Potential Alternates

016935379
5310016935379
108200084
5310008071469
006255756
MS20364-524C
7 more

Aircraft Makes

Airbus
Boeing
Cirrus Aircraft
Bombardier
Cessna
Embraer
3 more

Aircraft Models

BBJ 737-700
ERJ-170-200 SU
B36TC
F600A
767-200SF
PA-32RT-300
196 more

Shipping Details

Dry Ice

No

ECCN

EAR99

Proprietary Part

No

Hazmat

No
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Boeing Distribution Services
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