NAS6604D25 - BOLT, SHEAR

NSN: 5306-01-153-0846, NIIN: 11530846
New Surplus, Sold Per Each

A shear bolt is a fastener designed to fail at a specific shear force, which is a force that causes two parts of a material to slide past each other in opposite directions. This protects machinery or structures by acting as a mechanical fuse during overload conditions.

Specifications

Head Style: Dished Hexagon
Surface Finish: 32.0 Microinches
Surface Finish: 32.0 Microinches - Bearing Surface Of Head
Surface Finish: 32.0 Microinches - Grip
Surface Treatment: Cadmium And Chromate
Material: Steel
Fastener Length: 1.972" Min - 2.002" Max
Grip Diameter: 0.2485" Min - 0.2495" Max
Grip Length: 1.552" Min - 1.572" Max
Head Height: 0.125" Min - 0.140" Max
Head Surface To Shank Hole Center: 1.784" Min And 1.834" Max - First Hole
Shank Unthreaded Hole Diameter: 0.076" Min And 0.086" Max - First Hole
Tensile Strength Min: 160000 Pounds Per Square Inch
Width Between Flats: 0.429" Min - 0.439" Max
Thread Class: 3A
Thread Diameter: 0.250"
Thread Direction: Right-Hand
Thread Length: 0.400" Min - 0.450" Max
Thread Quantity Per Inch: 28
Thread Series Designator: Unjf

Part Number Info

Part Number: NAS6604D25
Unpunctuated: NAS6604D25
NSN: 5306-01-153-0846
NIIN: 11530846

Potential Alternates: 20-057-4S25D

Replaces Cancelled NSN: 5306-01-049-2174

New Surplus: These parts are classified as new and unused, meaning they have not been installed or placed into service. However, they come without traceability or original manufacturer certifications, which might be required for certain high-level regulatory uses. Our company provides its own Certificate of Conformance (CoC) as a statement of assurance that the parts are in good working condition and have been sourced from reliable channels. These are ideal when the focus is on cost-effectiveness without compromising on quality.

Sold Per Each: This item is sold individually, with the price listed for a single unit. Perfect for purchasing the exact quantity needed without the requirement to buy in bulk. For larger quantities, consider reviewing any available bulk pricing options.

Product Testing: Every product is inspected for accuracy, quality, and functionality before shipping to meet our high standards.

Alternate Part Numbers: Due to the nature of ever-evolving part numbering structure, multiple part numbers may meet the same specifications and performance standards. If only an alternate part number is available, we will contact you to confirm compatibility. We strongly recommend consulting the appropriate repair manuals to ensure accuracy before using an alternate part.

NAS6603-10

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