Catalog
NAS1097 Reduced Head
Picture for identification; check the listing for the exact item.

Solid rivets · SKU Z04F10ZZ1

NAS1097 Reduced-Head Countersunk Rivets

A 100° countersunk rivet with a reduced shear head, lower and smaller than the MS20426 head of the same shank.

  • StandardNAS1097
  • Head100° countersunk, reduced shear head

Where to buy

AmericaDistributor coming soonOur partner for this region is on its way
EuropeDistributor coming soonOur partner for this region is on its way
OceaniaDistributor coming soonOur partner for this region is on its way

Distributor? Get listed →

More distributors

AmericaMore distributors coming soon
EuropeMore distributors coming soon
OceaniaMore distributors coming soon

A distributor lists it for holes opened up to the next size. Its head is somewhat wider than the MS20426 head of the size below, so the countersink is re-cut to the NAS1097 table. Whether an oversize repair is acceptable at all is a question for the SRM, not the parts catalog.

Compare the standard head: MS20426. Hole sizes: drill chart.

Specifications

StandardNAS1097
Head100° countersunk, reduced shear head
TypeAD

Source: a distributor's listing, checked 2026-09-30.

Sizes listed 4 rows
TypeDiameterPart numbersLengths listed
3/32"NAS1097AD3-2 to NAS1097AD3-81/8" – 1/2" (6 lengths)
1/8"NAS1097AD4-3 to NAS1097AD4-143/16" – 7/8" (10 lengths)
5/32"NAS1097AD5-2 to NAS1097AD5-121/8" – 3/4" (11 lengths)
3/16"NAS1097AD6-4 to NAS1097AD6-121/4" – 3/4" (9 lengths)

Questions people actually ask

Where can I buy the NAS1097 Reduced Head?

A distributor we checked lists it in the Europe & UK. The link to its page, with the live price and stock, opens when the partnership does.

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NAS1097 Reduced HeadWhere to buy
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