Part Number
Blind Rivet · NAS (National Aerospace Standard) · NSN 5320-01-340-6749
| Part number | NAS1669-4DL-18 |
|---|---|
| Specification family | NAS (National Aerospace Standard) |
| Item name | Blind Rivet |
| Unit of issue | EA |
| Cross-referenced NSN | 5320-01-340-6749 |
| Federal Supply Class (FSC) | 5320 — Rivets |
| Unit price (USD) | $49.06 |
| 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 blind rivet. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Head Style | Hexagon |
|---|---|
| Material | Steel Comp 303 Sleeve Or Steel Comp 304 Sleeve Or Steel Comp 303Se Sleeve |
| Material | Steel Comp 4130 Bolt Or Steel Comp 4140 Bolt Or Steel Comp 8740 Bolt |
| Material | Steel Comp 4130 Nut Or Steel Comp 4140 Nut Or Steel Comp 8740 Nut |
| Surface Treatment | Cadmium Bolt And Chromate Bolt |
| Surface Treatment | Cadmium Nut And Chromate Nut |
| Surface Treatment | Passivate Sleeve And Cadmium Sleeve |
Permanent mechanical fasteners installed by deforming, including solid, blind (pop), and structural rivets in a range of head styles.
Reading the part number. NAS1669-4DL-18 breaks down as NAS1669 — the National Aerospace Standard that fixes the part's design — plus the dash/suffix code 4DL-18, which selects the exact size, material, or finish variant from the tables on that standard. Two parts sharing the NAS1669 base are the same design in different variants.
Price in context. Across the 607 items we currently stock in FSC 5320 (Rivets), published unit prices run from $0.18 to $700.92. At $49.06, this item sits well above the class median of $6.13 — typical of assemblies and higher-value line items in this class.
Who orders NAS1669-4DL-18. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5320-01-340-6749. You can order by part number or by stock number — it is the same item, the same published price, and the same quote form.
Applicable standards. MS20426/MS20470 and NAS series, ISO/DIN blind rivets; aluminum, monel, steel, and stainless.
Need this part modified, or a similar part made to your print? See our U.S.-based CNC machining services and aerospace machining capability.
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.
Items are supplied as stock mil-spec / commercial hardware with source documentation and country-of-origin paperwork on every order. Parts are not supplied with an FAA Form 8130-3 airworthiness tag unless expressly stated on the quote. Buyers installing hardware on certificated aircraft are responsible for acceptance under their own maintenance program, repair station procedures, or owner/operator authority.
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