National Stock Number
Close Tolerance Screw — Screws (FSC 5305) · Part No. NAS1580V9T22
| National Stock Number | 5305-01-630-0773 |
|---|---|
| Item name | Close Tolerance Screw |
| Part number (commercial reference) | NAS1580V9T22 |
| Unit of issue | EA |
| NIIN | 016300773 |
| NIIN assigned by | United States (NCB code 01) |
| Federal Supply Class (FSC) | 5305 — Screws |
| Federal Supply Group (FSG) | 53 — Hardware and Abrasives |
| Unit price (USD) | $52.57 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this close tolerance screw. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Fastener Length | 1.993 Inches Minimum And 2.023 Inches Maximum |
|---|---|
| Head Style | Flat Countersunk |
| Material | Titanium Alloy Uns R56400 Overall |
| Nominal Thread Diameter | 0.5625 Inches |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | Unjf |
| Thread Class | 3A |
Externally threaded fasteners designed to be turned to assemble or adjust parts, including machine screws, cap screws, socket-head cap screws, set screws, self-tapping and thread-forming screws. This is the largest single class in the U.S. supply system and covers a vast range of thread sizes, drive types, head styles, and materials.
Price in context. Across the 2,357 items we currently stock in FSC 5305 (Screws), published unit prices run from $0.03 to $14,752.17. At $52.57, this item sits well above the class median of $10.52 — typical of assemblies and higher-value line items in this class.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-08-21, with a lot quantity of 176 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Typical applications. Structural and panel assembly, equipment enclosures, brackets, access covers, and virtually every mechanical assembly across ground vehicles, aircraft, ships, and support equipment.
Applicable standards. ASME B18.3 / B18.6.3, MIL-DTL / NASM / MS and AN series, ISO metric threads; common materials include carbon and alloy steel, 300/400-series stainless, and A2/A4 stainless per ISO 3506.
NSN 5305-01-630-0773 is supplied by Quick Brown Fox Solutions as a stock resale item. For custom-manufactured or prototype parts to your print, see our U.S.-based CNC machining services.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
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