The Bellcrank,actuator,release, cataloged under National Stock Number 1670-00-228-3655, is classified within Federal Supply Class 1670 (Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Aero Components, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1670-00-228-3655 |
| Primary Part Number | 4N21693-101D |
| Item Name | Bellcrank,actuator,release |
| FSC / FSG | 1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| Manufacturer | Aero Components, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4N21693-101D | Aero Components, Llc (USA) |
| 4N21693-101D | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| 4N21693-101D | Cpi Aerostructures Inc (USA) |
| Reference | Meaning |
|---|---|
| 4N21693-101D | 5/2 Secondary reference U.S. Government activity |
| 4N21693-101C | 5/9 Secondary reference U.S. Government activity |
| 4N21693-101D | 3/2 Design control — primary reference U.S. Government activity |
| 4N21693-101A | 5/9 Secondary reference U.S. Government activity |
NSN 1670-00-228-3655 is a Bellcrank,actuator,release, manufactured by Aero Components, Llc, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-00-228-3655 has 3 manufacturer part numbers on file: 4N21693-101D (Aero Components, Llc), 4N21693-101D (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 4N21693-101D (Cpi Aerostructures Inc).
Key specifications for 4N21693-101D: End Item Identification: U/O P/N 4N21694,ACTUATOR,EXTRACTION PARACHUTE,RELEASE C5 ACFT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1670-00-228-3655 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.