Boeing NAS7403-6 Bolt

National Aerospace Standards Commit

Part # NAS7403-6

The NAS7403-6 bolt is designed for precise fastening with a flat countersunk head, featuring a 99.0°-101.0° countersink angle. Made from steel 4340/8740, it offers strength & durability. With a right-hand thread (3A class), 0.190" diameter, and cadmium coating, it excels in demanding environments.
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Overview

The NAS7403-6 bolt is engineered for applications that require precise fastening with a flat countersunk head. Featuring a countersink angle between 99.0 degrees and 101.0 degrees, this bolt ensures a secure fit across several materials. Made from steel composition 4340 or 8740, it delivers exceptional strength and durability. The right-hand thread direction and a thread class of 3A provide reliable engagement, while the nominal thread diameter of 0.190 inches and a thread quantity of 32 per inch ensure compatibility with standard fasteners. The cadmium surface treatment enhances corrosion resistance, making this bolt suitable for demanding environments.

Features & Benefits

Features
  • Countersink angle of 99.0 to 101.0 degrees for secure fitting.
  • Constructed from steel composition 4340 or 8740 for excellent strength.
  • Cadmium surface treatment for excellent corrosion resistance.
Benefits
  • Ensures a precise and secure fastening in several applications.
  • Provides durability and reliability in demanding environments.
  • Compatible with standard fasteners for easy integration.

Technical Information

ATA Number

23,
25,
27,
52,
55,
56

ATA Chapter

Communications
Equipment / Furnishings
Flight Controls
Doors
Stabilizers
Windows

ATA Group

Airframe Systems
Structure

ATA Section

Communications
FLIGHT COMPARTMENT ACCOMMODATIONS
FORWARD ENTRY DOOR
Horizontal Stabilizer or Canard
Flight Compartment

NIIN

012696887

NSN

5306-01-269-6887

FSCG

5306

FSCG Category

Bolts

UNSPSC Code

31161600

UNSPSC Category

Bolts

Lead Time (Days)

418

Certification Status

CERTIFIED

ATA Part Number

NAS7403-6

CAGE Code

80205

Commercial Part

Yes

Harmonized Tariff Schedule Code

7318152010

Repairable

No

Specification Part Number

NAS7403-6

Supplier Part Number

NAS7403-6

Landing Gear Part

No

Leasable

No

Returnable

No

Aircraft Makes

Boeing
Bombardier
McDonnell Douglas

Aircraft Models

CRJ-900LR
DC9
402Q
MD11
402
402F
18 more

Shipping Details

ITAR Compliant

No

Part Explosive

No

ECCN

EAR99

Dry Ice

No
Buy now from
Commercial Spares
DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. See terms & conditions.