RHC PART · FITS R22 · R44 · AUTHORIZED ROBINSON HELICOPTER DEALER
B227-4 Dress Nut, 1/4-40, Blk
Robinson part number B227-4, dress nut, 1/4-40, blk, for the R22 and R44. Factory-new from APEX Helicopters, an authorized Robinson service center at Fort Lauderdale Executive (FXE). Send the RFQ and a service specialist confirms price, availability, lead time, and install hours.
- PART NUMBER
- B227-4
- DESCRIPTION
- DRESS NUT, 1/4-40, BLK
- UNIT
- EACH
- FITS
- R22 · R44
- CONDITION
- FACTORY NEW
- 2026 LIST PRICERHC price list, effective January 1, 2026
- $4.50
List price shown for reference. Call (954) 914-0600 or send the RFQ: availability, lead time, and install hours quoted together, usually the same business day.
Where it is in the parts catalogNEW
Every catalog figure this part appears in, by model. Tap a row to see the drawing with the part circled, or open the same page in the Robinson Helicopter Illustrated Parts Catalog (IPC).
Also on 38 more catalog locations, as common hardware. The eight figures above are the ones we show; every location is in the official catalogs linked from the rows.
CATALOG EDITIONS: R22 SEP 2026 · PARTS LIST PAGE 33.13 ↗
How ordering works
- Send the RFQ with quantity + aircraft serial
- We quote price, availability + install hours
- Approve and schedule
Aircraft on ground? AOG requests jump the line. Serial effectivity and applicable service bulletins are checked on every quote, by a person.
Related parts
B227-1
Switch Assembly, Test
FITS R22 · R44
B227-11
Dress Nut 10-48
FITS R22 · R44 · R66
B227-2
Switch Assembly, Com
FITS R22 · R44 · R66
Not the part you need? Send any Robinson part number, the RFQ takes whole lists.








