AN470B8-40: MS20470, NASM20470, MS20470B8-40

AN470B8-40

What it is: MS20470 solid rivet, Universal head, 1/4" (8/32nds in diameter) diameter, length 2.500" (40/16ths in length), not grip
Equivalents: MS20470MSCitedApproved alternate, FAA AC 43.13-1B para 4-57a(4) para 4-57a(4) ↗
NASM20470NASCitedApproved alternate, MS20470H Notice 1 (everyspec): canceled and superseded by NASM20470, part numbers not changed; also on the same NSN 5320-00-165-8725 ↗
MS20470B8-40MSCatalog onlySame NSN 5320-00-165-8725 (government catalog). Not a maker's approval: confirm on the drawing.
Install tooling, by who made the part: MS20470 solid rivet: Rivet gun and bucking bar. 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.

QtyInclude install toolingI already have the riveter

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

Every size and maker in the AN470 series →

Full detail: decode, cited documents, every stock number

AN470 cross reference: every equivalent with its evidence, the sizes each maker lists, and what DLA paid →

MS20470 solid rivet: MS20470 rivet, solid, universal head: dimensioned rivet outline with material identification mark location. — Image: MS20470 Rev H (Rivet, Solid, Universal Head, Aluminum Alloy and Titanium Columbium Alloy), sheet 1, via EverySpec

AN470B8-40

MS20470 solid rivet · Universal (dome) head solid rivet

Head: Universal head
Diameter: 1/4" (8/32nds in diameter)
Grip / length: length 2.500" (40/16ths in length), not grip
Material: 5056

Numbering scheme: FAA AC 43.13-1B para 4-57a(3) ↗

Install tooling, by who made the part

MS20470 solid rivet: Rivet gun and bucking bar. 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
MS20470dash numbers to complete	Approved alternateFAA AC 43.13-1B para 4-57a(4), para 4-57a(4) ↗AN470 superseded by MS20470.Complete the dash numbers for MS20470 from its document.	MS20470 solid rivet: Rivet gun and bucking bar. No tool part numbers on file for this size.
NASM20470dash numbers to complete	Approved alternateFAA AC 43.13-1B para 4-57a(4), para 4-57a(4) ↗MS20470H Notice 1 (everyspec): canceled and superseded by NASM20470, part numbers not changed ↗AN470 superseded by MS20470.MS20470H Notice 1: "The part numbers have not been changed" (example: document NASM20470, part no. MS20470). Order the MS20470 part number.NASM20470 is the superseding document, not a part number: the cited notice keeps the part number unchanged.	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.

AN470 superseded by MS20470 (AC 43.13-1B para 4-57a(4)). MS20470H was canceled and superseded by the NASM20470 document with the part numbers unchanged: the part is still MS20470 (MS20470H Notice 1).

Group source: FAA AC 43.13-1B para 4-57a(4); MS20470H Notice 1 ↗

Image credits: MS20470 Rev H (Rivet, Solid, Universal Head, Aluminum Alloy and Titanium Columbium Alloy), sheet 1, via EverySpec ↗