The Detector,metallic Particle, cataloged under National Stock Number 1615-01-309-4639, 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. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1615-01-309-4639 |
| Primary Part Number | 7-311310112-9 |
| Item Name | Detector,metallic Particle |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | The Boeing Company |
| 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 |
|---|---|
| 7-311310112-9 PRIMARY | The Boeing Company (USA) |
| 7-311310112-9 | Lynn Electronics Llc (USA) |
| 7-311310112-9 | Echelon Supply and Service, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H995-CY644 | 5/9 Secondary reference U.S. Government activity |
| 7-311310112-7 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-311310112-9 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| K022-CY991 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1615-01-309-4639 is a Detector,metallic Particle, manufactured by The Boeing Company, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-309-4639 has 3 manufacturer part numbers on file: 7-311310112-9 (The Boeing Company), 7-311310112-9 (Lynn Electronics Llc), 7-311310112-9 (Echelon Supply and Service, Inc.).
Key specifications for 7-311310112-9: Special Features: PERFORMS FUNCTION AS METAL CHIP DETECTOR FOR MAIN TRANSMISSION IAW MCDONNELL-DOUGLAS HELICOPTER CO. DRWG NO. 7-311310112 AS AMENDED; End Item Identification: AH-64A A. 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.
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.