The Ring,anti-Flail, cataloged under National Stock Number 1615-01-255-2174, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Services. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,anti-Flail |
| FSC / FSG | 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components (FSG 16) |
| Manufacturers | The Boeing Company Div Services (CAGE 48T42); The Boeing Company (CAGE 8V613) |
| Parameter | Value |
|---|---|
| NSN | 1615-01-255-2174 |
| Primary Part Number | 7-311350014-5 |
| Item Name | Ring,anti-Flail |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | The Boeing Company Div Services |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-311350014-5 PRIMARY | The Boeing Company Div Services (USA) |
| 7-311350014-5 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311350014 | D/9 Drawing number reference only Mcdonnell Douglas Helicopter Co Inc |
| 7-311350014-5 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1615-01-255-2174 is a Ring,anti-Flail, manufactured by The Boeing Company Div Services, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-255-2174 has 2 manufacturer part numbers on file: 7-311350014-5 (The Boeing Company Div Services), 7-311350014-5 (The Boeing Company).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.