NAS6604D21 - BOLT, CLOSE TOLERANCE

NSN: 5306-01-448-8309, NIIN: 14488309
New Surplus, Sold Per Each

A close tolerance bolt is a type of precision fastener manufactured to strict dimensional tolerances, ensuring a tight fit in high-stress or critical applications. These bolts are designed to minimize movement or play in the bolted joint, providing enhanced alignment and structural integrity.

Specifications

Head Style: Hexagon
Surface Treatment: Cadmium
Material: Steel
Fastener Length: 0.970" Min - 1.030" Max
Grip Diameter: 0.2485" Min - 0.2495" Max
Grip Length: 1.302" Min - 1.322" Max
Head Height: 0.125" Min - 0.140" Max
Head Surface To Shank Hole Center: 0.284" Min And 0.334" Max - First Hole
Shank Unthreaded Hole Diameter: 0.076" Min And 0.086" Max - First Hole
Width Between Flats: 0.429" Min - 0.439" Max
Thread Class: 3A
Thread Diameter: 0.250"
Thread Direction: Right-Hand
Thread Length: 0.425" Nom
Thread Quantity Per Inch: 28

Part Number Info

Part Number: NAS6604D21
Unpunctuated: NAS6604D21
NSN: 5306-01-448-8309
NIIN: 14488309

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.

1636809

NAS6604-10 - BOLT, MACHINE, NEW SURPLUS, SOLD PER EACH, NSN: 5306-00-163-6809, NIIN: 1636809