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Nut, Self-Locking, Extended Washer, Width Across Flats 0.150 Inch Minimum and 0.158 Inch Maximum

Part # MS21042L04

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Revision:

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Certifications:

MS21042L04

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Certs Required:

The MS21042L04 Self-Locking Nut is essential in aviation, featuring a 0.112" nominal thread size and 40 threads per inch. Made from high-quality steel with cadmium and chromate treatment for corrosion resistance, it endures up to 450°F, ensuring reliability in critical flight safety 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, Self-Locking, Extended Washer, Hexagon with part number MS21042L04 is designed for applications that require reliable fastening. This self-locking nut features a right-hand thread direction and is constructed with critical features that ensure performance under specified conditions. The nut is designed to withstand a temperature rating of 450.0 Fahrenheit nominal and includes a locking feature of a prevailing torque all metal design. Its dimensions include a width across flats ranging from 0.150 inches minimum to 0.158 inches maximum. This product is suitable for use in environments where fit restrictions and material properties are important.

Features & Benefits

Features
  • Hexagon design with a nominal thread size of 0.112 inches.
  • Cadmium and chromate surface treatment for superior corrosion resistance.
  • Temperature rating of 450 degrees Fahrenheit for high-performance applications.
  • Prevailing torque all-metal design for secure locking.
Benefits
  • Ensures reliable fastening in demanding aviation environments.
  • Resists corrosion, extending the lifespan of the nut.
  • Provides secure locking to enhance safety and performance.
  • Complies with flight safety critical standards for peace of mind.

Technical Information

ATA Number

21,
22,
23,
24,
25,
26,
27,
28,
29,
30,
31,
32,
33,
34,
35,
36,
38,
39,
44,
45,
46,
49,
52,
53,
54,
57,
61,
67,
71,
73,
76,
77,
78,
79,
92

ATA Chapter

Air Conditioning
Auto Flight
Communications
Electrical Power
Equipment / Furnishings
Fire Protection
29 more

ATA Group

Airframe Systems
Structure
Propeller/Rotor
Power Plant
Peculiar Military Chapters

ATA Section

DISTRIBUTION
MAIN DISTRIBUTION MANIFOLD
CONTROL CABIN CONDITIONED AIR DISTRIBUTION SYSTEM
PASSENGER CABIN CONDITIONED AIR DISTRIBUTION SYSTEM
VENTILATION
MISSION EQUIPMENT COOLING SYSTEM
240 more

NIIN

008071471

NSN

5310-00-807-1471

FSCG

5310

FSCG Category

Nuts and Washers

Lead Time (Days)

444

Not For Sale

No

Product Class Description

Locknuts

Country of Origin

Morocco
United States
Italy
Mexico
France

Harmonized Tariff Schedule Code

7318160085

Manufacturer CAGE Code

60119
52828
019L2
F0224
15653
A3856

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

Yes

Revision Level Applicable

No

Product Class

31161716

Material Composition

STEEL

Design Holder CAGE Code

96906

Design Holder

MS STANDARDS

Potential Alternates

5310004691349
108200684
MS21042-L04
959C711-1
REPMS21042L04
AFCMS21042L04
17 more

Aircraft Makes

Airbus
Beech
Embraer
Beech
Bell Helicopter
Boeing
2 more

Aircraft Models

C90SE
BBJ 737-700
737-200
A340-200
P8A
C90A
196 more

Engine Makes

CFM International

Engine Models

CFM56-5B9/P
CFM56-5B1/2
CFM56-5B2/2P
CFM56-5B2/3
CFM56-5B4/P
CFM56-5B1
34 more

Shipping Details

Dry Ice

No

ECCN

EAR99

Proprietary Part

No

Hazmat

No
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Boeing Distribution Services
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.