NAS1921B08-04

Permanent mechanical fasteners installed by deforming, including solid, blind (pop), and structural rivets in a range of head styles.

Reading the part number. NAS1921B08-04 breaks down as NAS1921 — the National Aerospace Standard that fixes the part's design — plus the dash/suffix code B08-04, which selects the exact size, material, or finish variant from the tables on that standard. Two parts sharing the NAS1921 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 $33.30, this item sits well above the class median of $6.13 — 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 2026-08-12, with a lot quantity of 59 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.

Who orders NAS1921B08-04. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5320-01-700-4249. 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.

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