CherryLOCK, Cherry
CR2239-4-03
Locked-spindle blind rivet, bulbed (NAS1738/1739) or wiredraw (NAS1398/1399); hydroshift riveters.
- Head Universal head (MS20470), NAS1738E
- Diameter -4 (.140" shank)
- Grip .126-.187"
- Material 5056 aluminum sleeve, Inconel 600…
- Lead-time risk Low
Install tool G700, proprietary · Variable stack? Plan grips
CAD for CR2239-4-03
| Family | CherryLOCK (Cherry) |
|---|---|
| Head style | Universal head (MS20470), NAS1738E (source: Cherry CA-1005 (CherryLOCK), p.7 conversion table; p.8 NAS1738 universal head) |
| Nominal diameter | -4 (.140" shank) |
| Grip | max grip .187" (-03 = 3/16"), grip range .126-.187" (CA-1005 p.8) |
| Material | 5056 aluminum sleeve, Inconel 600 stem |
Decoded from the published numbering scheme; not a claim that this exact dash number is a stocked SKU, and not a certified design authority. Always verify against the controlling drawing, spec, and your stress group.
Dimensions
| Dia. | Sleeve shank diameter | .140+.003 -.001 |
| A | Head diameter | .250±.010 |
| B | Head height | .054+.010 -.000 |
| Z | Stem length above the head, as supplied | 1.65(REF) |
| Grip limits | Dash 4-03 | .126-.187 |
| L | Under the head to end of sleeve | .344 |
All dimensions (9)Fewer dimensions
| BK (Aluminum) | Min blind clearance for satisfactory installation | .30 |
| BK (Monel & Inconel) | Min blind clearance for satisfactory installation | .33 |
| K | Under the head to blind end of stem | .50 |
As printed on CA-1005 p.8 ↗. Letters match the drawing.
Also printed in CA-1005 for this part
| Materials CR2239 (NAS1738E) | Sleeve 5056 QQ-A-430 (MIL-C-5541); stem INCONEL 600 AMS 5665 (NONE); lock ring MONEL QQ-N-281 (NONE) (CA-1005 p.8) |
|---|
Series and strength (datasheet)
CR2xxx · e.g. CR2249-5-04 (= NAS1738B)
Bulbed: 50,000 psi (5056 aluminum sleeve) to 75,000 psi (Monel, Inconel 600 sleeve); wiredraw: 30,000 / 38,000 psi (aluminum) to 95,000 psi (A-286, CR2642/2643): Cherry CA-1005.
Datasheet (PDF) ↗To scale from Cherry CA-1005 ↗ p.8 (PDF page 10).Drawing notes
Model: CA-1005 p.8
Envelope model, not manufacturer CAD.Model details
CR2239-4-03, manufacturer nominal. Simplified envelope model from Cherry CA-1005 p.8 printed dimensions. Manufacturer nominal: printed values, the mean where only two limits are printed. Flush heads hold the printed head angle; the head depth is derived. Not manufacturer CAD. Verify against the current catalog before use. Separate solids for the sleeve and the stem envelope. Axis +Z, head up, z = 0 at the face the head bears on. STEP (AP214) is in inches; STL has no units and is written in millimetres.
CR2239 grip chart: -4 (.140" shank)
Every catalogued max-grip dash number at this diameter. Stack thickness must fall inside the fastener's grip range: see the design calculators.
Other diameters at this grip:
Pulled stem / bulbing · 6 steps
1/6Inserted, sheet gap
“Before pulling begins.”
Cherry CA-1005 (CherryLOCK), p.3, Installation Sequence ↗
Drawing traced from: Panel 1.
Install tooling
Install tooling: G700 (Cherry CA-1013 (CherryLOCK process manual), p.14, Selecting Cherrylock Tools) · proprietary
- H681-4C H681 pulling head, Universal Head / Countersunk Head (NASM20426)
- H690-4U H690 pulling head, Universal Head (G695B right angle)
Decode details
| Series | Bulbed CherryLOCK |
|---|---|
| Decode confidence | high |
| Numbering source | Cherry CA-1005, numbering system |
- CherryLOCK: CR2 + rivet type & material combination + head style digit + shank diameter + maximum grip length in 16ths (CA-1005).
- Head and materials from the catalog table for this base part number.
Government reference cross-reference (DLA FLIS)
CR2239-4-03 is not listed in FLIS under this exact part number (FLIS data as of 2025-03-18, March 2025 snapshot). FLIS may record it with a material or finish code, or under the standard part number.
Source: DLA PUB LOG ↗. Search any part number in the decoder.
- CherryLOCK by Cherry, blind rivet
- Datasheet (PDF) ↗
- Manufacturer page ↗
- Numbering: Cherry CA-1005, numbering system ↗
- Geometry: CA-1005 ↗
Lead-time risk for this family (SpecLok sourcing assessment): Low
Supply signal
Supply signalfor this part number
- Not listed in FLIS under this exact part number (March 2025 snapshot).
- 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.
Image credits: Cherry Aerospace, CherryLOCK® Blind Rivets catalog CA-1005, p.5 ↗. Product images belong to their manufacturers.
Sources
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