NASM20426: MS20426, AN426, AN426A5-5

NASM20426

What it is: Solid rivet, NAS part number
Equivalents: MS20426MSCitedIdentical, MS20426L Notice 1 (everyspec): canceled and superseded by NASM20426, part numbers not changed ↗
AN426ANCitedApproved alternate, FAA AC 43.13-1B para 4-57a(4) para 4-57a(4) ↗
AN426A5-5ANCatalog onlySame NSN 5320-00-286-5957 (government catalog). Not a maker's approval: confirm on the drawing.
AN426DD8-10ANCatalog onlySame NSN 5320-00-117-7238 (government catalog). Not a maker's approval: confirm on the drawing.
MS20426A5-5MSCatalog onlySame NSN 5320-00-286-5957 (government catalog). Not a maker's approval: confirm on the drawing.
MS20426A8-16MSCatalog onlySame NSN 5320-00-807-2259 (government catalog). Not a maker's approval: confirm on the drawing.
+3 more reference numbers in the detail below.
Install tooling, by who made the part: Cherry E-Z Buck: Rivet gun and bucking bar, or squeeze (CA-1032 "typical squeeze load" guidelines). No tool part numbers on file for this size.Ask a tooling specialist →
The nose follows the maker, not the stock number: check the maker on the CoC or packaging.

Qty

Reference only: the drawing and its process spec govern. How to read this

Every size and maker in the NASM20426 series →

Full detail: decode, cited documents, every stock number

NASM20426 cross reference: every equivalent with its evidence, the sizes each maker lists, and what DLA paid →

Cherry E-Z Buck: Cherry E-Z Buck® Rivet: Features & Benefits — Image: Cherry Aerospace, Cherry E-Z Buck® Rivet catalog CA-1032, p.4

NASM20426

Cherry E-Z Buck · Cherry · 100° countersunk (flush) solid rivet

Dash numbers not decoded: SpecLok has no structured decoder for this series. Read them from the controlling spec.

Install tooling, by who made the part

Cherry E-Z Buck: Rivet gun and bucking bar, or squeeze (CA-1032 "typical squeeze load" guidelines). No tool part numbers on file for this size.

QtyInclude install toolingI already have the riveter

The RFQ line lists the drop-in equivalents below as acceptable alternates.

Drop-in equivalents

Identical or approved-alternate part numbers, each with the document that states it.

Part number	Equivalence and source	Install tooling
MS20426Cross-reference this	IdenticalMS20426L Notice 1 (everyspec): canceled and superseded by NASM20426, part numbers not changed ↗MS20426L Notice 1: "The part numbers have not been changed" (example: document NASM20426, part no. MS20426). Order the MS20426 part number.Dash numbers carried over: the cited document prints both part numbers with the same dash structure.	MS20470 solid rivet: Rivet gun and bucking bar. No tool part numbers on file for this size.
AN426dash numbers to complete	Approved alternateMS20426L Notice 1 (everyspec): canceled and superseded by NASM20426, part numbers not changed ↗FAA AC 43.13-1B para 4-57a(4), para 4-57a(4) ↗MS20426L Notice 1: "The part numbers have not been changed" (example: document NASM20426, part no. MS20426). Order the MS20426 part number.MS20426 supersedes AN426.Complete the dash numbers for AN426 from its document.	Not documented for this part number.

MS20426 supersedes AN426 (AC 43.13-1B para 4-57a(4)). MS20426L was canceled and superseded by the NASM20426 document with the part numbers unchanged: the part is still MS20426 (MS20426L Notice 1).

Group source: FAA AC 43.13-1B para 4-57a(4); MS20426L Notice 1 ↗

Image credits: Cherry Aerospace, Cherry E-Z Buck® Rivet catalog CA-1032, p.4 ↗ · MS20470 Rev H (Rivet, Solid, Universal Head, Aluminum Alloy and Titanium Columbium Alloy), sheet 1, via EverySpec ↗. Product images belong to their manufacturers.