The Trunnion Assy,tail Rotor, cataloged under National Stock Number 1615-00-121-6465, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-00-121-6465 |
| Item Name | Trunnion Assy,tail Rotor |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CORROSION RESISTANT AMS5659 COMP 15-3PH,PASSIVATED BPS FW4007,DIM.,2.312 IN. NOM O/A LG,0.903 IN. NOM O/A THK,1.376 IN. NOM SQUARE CENTER,0.311 IN. MIN,0.312 IN. MAX ARM OD 0.468 IN. NOM ARM LG,1.0236 IN. MIN,1.0241 IN. MAX CENTER ID BY 0.605 IN. LG,0.875 IN. TOP CENTER ID BY 0.187 IN. LG,ONE NO. B56-40-2 SEAL INSTALLED IN TOP ID,FOUR EQUALLY SPACED MOUNTING HOLES W/10-32 UNF CLASS 3B THREADS 0.500 IN. DEEP ON TRUNNION BOTTOM,CENTER TO CENTER DISTANCE 0.962 IN.,TRUNNION USED ON TAIL ROTOR CONTROL IN |
| 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 |
| Reference | Meaning |
|---|---|
| 206-011-728-1 | 5/9 Secondary reference U.S. Government activity |
| 206-011-728-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1615-00-121-6465 is a Trunnion Assy,tail Rotor, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
Key specifications for 1615-00-121-6465: General Characteristics Item Description: STEEL,CORROSION RESISTANT AMS5659 COMP 15-3PH,PASSIVATED BPS FW4007,DIM.,2.312 IN. NOM O/A LG,0.903 IN. NOM O/A THK,1.376 IN. NOM SQUARE CENTER,0.311 IN. MIN,0.312 IN. MAX ARM OD 0.468 IN. NOM ARM LG,1.0236 IN. MIN,1.0241 IN. MAX CENTER ID BY 0.605 IN. LG,0.875 IN. TOP CENTER ID BY 0.187 IN. LG,ONE NO. B56-40-2 SEAL INSTALLED IN TOP ID,FOUR EQUALLY SPACED MOUNTING HOLES W/10-32 UNF CLASS 3B THREADS 0.500 IN. DEEP ON TRUNNION BOTTOM,CENTER TO CENTER DISTANCE 0.962 IN.,TRUNNION USED ON TAIL ROTOR CONTROL IN. 1 specification is 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 1615-00-121-6465 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.