Name: Cherry SST
Brand: Cherry

Blind (one-sided), pulled-stem blind rivet: “The pulling head holds the rivet in place as it begins to pull the rivet stem through the rivet sleeve.” (Cherry CA-1037 (Cherry SST), p.4, Installation)

Shear: 50 ksi
Blind bulb: standard
Install: One-side install
Diameters: 1/8, 5/32, 3/16"
Lead-time risk (SpecLok assessment): Medium

Typical applications

·Metal assemblies with one-side access (CA-1037)

Strengths

+Install sequence clamps the sheets together (CA-1037)
+Universal, 100° flush and NAS1097 heads (CA-1037)

Trade-offs

−No composite rating in CA-1037

Also called SST, Cherry SST blind rivet. P/N: CR6xxx · e.g. CR6253-6-05

Datasheet strength: 5056 aluminum sleeve / A-286 CRES stem, 50,000 psi ultimate shear strength: Cherry CA-1037.

Standards

NAS1097 (flush head)

Materials and galvanic compatibility vs CFRP

Alloy	Shear	vs CFRP	Notes	Source
Aluminum	50 ksi	high	5056 sleeve / A-286 stem; 250°F max	CA-1037 Mechanical properties: 50,000 psi

vs CFRP: MIL-STD-889C Table I, graphite column: high = incompatible in all environments; low = compatible except sea-water immersion; unrated = SpecLok has not read a rating for this material.About derived ksi

Derived ksi values are min shear ÷ nominal shank area, computed from the datasheet's lbf/kN figures; the datasheet itself publishes no ksi.

Specs source: Cherry CA-1037 (Cherry SST catalog) ↗: Mechanical properties; universal, 100° flush and NAS1097 head tables, -4 to -6. Lead-time risk is SpecLok's sourcing assessment, not a datasheet value.

3 head styles

UNIVERSAL: For protruding head applications. Available in both nominal & oversize. — Image: Cherry Aerospace, Cherry SST® Blind Rivet System catalog CA-1037, Head Styles, p.4

Not redrawn: no head dimensions for this variant in the documents on file. The data at right is from the cited document.

Universal head

CR6223: 5056 aluminum sleeve, A-286 CRES stem
CR6253 · oversize: 5056 aluminum sleeve, A-286 CRES stemCherry CA-1037 (Cherry SST), p.9 universal head oversize diameter ↗

"For protruding head applications. Available in both nominal & oversize" (p.4).

Source: Cherry CA-1037 (Cherry SST), p.6 universal head nominal diameter ↗

Head styles (manufacturer terms)

Universal head (CR6223, CR6253)
100° flush head (CR6222, CR6252)
100° NAS1097 flush head (CR6224)

Pulled stem / bulbing · 4 steps

1/4Inserted

“The Cherry SST® Blind Rivet is inserted into the prepared hole. The pulling head (Installation Tool) is slipped over the stem. Applying firm pressure, which seats the rivet head, the installation tool is actuated”

Cherry CA-1037 (Cherry SST), p.4, Installation ↗

Drawing traced from: Panel 1.

Key (how to read these diagrams)

Manufacturer figure: Cherry CA-1037 (Cherry SST), p.4, Installation, panels 1-4 ↗Schematic cross-section at the source figure's proportions, not to scale. Terms are the document's own.

Compare every family's mechanism

Installation verification and preload

Installed preload

Not published. CA-1037 and procurement spec PS-CMR-6000 checked; acceptance is entirely geometric.

What to check after install

Spindle flushness (above / below max): -4: .010"/.015"; -5: .010"/.020"; -6: .010"/.020" (PS-CMR-6000 Fig 1).
Locking element flush with top of head within ±.005"; flash .010" max, and it must remain visibly inspectable after install.
Head markings visible after install, depressed .010" max.

Check gauges (1) and sources.Details

Standard CherryMAX-type grip and hole gauges apply; no SST-specific gauge is published.

Sources: CA-1037 catalog · PS-CMR-6000. Acceptance limits belong to the controlling spec; verify against your program's process documentation.

Print a shop verification card for the floor

Tool: Cherry pulling heads (CA-1037 tool selection chart)
Special / proprietary: Standard tooling
Training: Not stated in the cited documents.
Inspection: Spindle flushness and locking element per PS-CMR-6000 (see verification below).

CA-1037 install sequence: the pulling head holds the rivet while pulling the stem, the sheets are clamped together, the driving anvil cold-forms the locking collar and the stem fractures.

The published install tool and nose for each size, other access options, and the gauges that check the install, from the manufacturer's own tool tables.

Dia.	Published tool + nose	Other access	Gauges
-4	G686B-S + H680B200A	Right angle, Offset	None published
-5	G686B-S + H680B200A	Right angle, Offset	None published
-6	G686B-S + H680B200A	Right angle, Offset	None published

Full tool tables, envelopes, clearances and source notes Compare tooling burden across all 25 families

Removal

No published removal procedure found; follow the manufacturer's instructions. Manufacturer page ↗

P/N series CR6xxx · e.g. CR6253-6-05Paste a full part number into the decoder.

Manufacturer: Cherry
Category: Blind rivet

Datasheet (PDF) ↗
Manufacturer page ↗
Cherry CA-1037 (Cherry SST catalog) ↗: Mechanical properties; universal, 100° flush and NAS1097 head tables, -4 to -6.

Find the part number for your stack

DiameterStack thickness, in

SpecLok has no dash-number table for this family yet: the quote line goes out as the family, part number to be confirmed.

QtyInclude install tooling

Sourcing

Lead-time risk (SpecLok sourcing assessment): Medium

Get quotes: SpecLok sources this from authorized distributors and returns price, lead time and certs.You buy from the authorized distributor, who is named on your returned quote. SpecLok is free for buyers.

Supply signalfor this family

No FLIS records linked to this family yet.
No SpecLok quotes yet.

A signal from records SpecLok holds, not availability, stock or a lead-time promise. FLIS lists who has recorded a part number for the item, not who makes it today. DoD awards carry no NSN or part number, so award activity is for the item name's class.

Sources: DLA FLIS Data Electronic Reading Room (PUB LOG) ↗, DLA PUB LOG ↗, USAspending.gov award search API ↗; DoD award data 2025-10-01 to 2026-07-06; compiled 2026-09-28.