The Race,outer,quill, cataloged under National Stock Number 1615-00-765-4408, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1615-00-765-4408 |
| Item Name | Race,outer,quill |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AMS 6260,CHROME-PLATED ALL SURFACES EXCEPT ID,TEETH AND IDCASEHARDENED,CORE ROCKWELL HARDNESS RATING C SCALE 33 TO 41,DIM.,6.125 IN.NOM OD,2.310 IN. MIN,2.312 IN. MAX O/A LG,4.8120 IN. MIN,4.8125 IN. MAX IDID COUNTERBORED 5.1150 IN. MIN,5.1185 IN. MAX DIA BY 0.677 IN. DEEP ON PLAINSIDE AND 0.884 IN. DEEP ON TOOTH SIDE,OD REDUCED TO 5.355 IN. DIA BY 0.677IN. DEEP ON PLAIN SIDE,OD GROOVED 0.918 IN. W BY 5.530 IN. DIA ON TOOTH SIDE0.162 IN. FROM EDGE,FLANGE 0.162 IN. WIDE,36 FIXED CURVIC COUPLING TEETHLOCATED ON FLANGE FACE W/30 DEG PRESSURE ANGLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 204-040-191-007 | 5/2 Secondary reference U.S. Government activity |
| 204-040-191-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1615-00-765-4408 is a Race,outer,quill, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
Key specifications for 1615-00-765-4408: General Characteristics Item Description: STEEL,AMS 6260,CHROME-PLATED ALL SURFACES EXCEPT ID,TEETH AND IDCASEHARDENED,CORE ROCKWELL HARDNESS RATING C SCALE 33 TO 41,DIM.,6.125 IN.NOM OD,2.310 IN. MIN,2.312 IN. MAX O/A LG,4.8120 IN. MIN,4.8125 IN. MAX IDID COUNTERBORED 5.1150 IN. MIN,5.1185 IN. MAX DIA BY 0.677 IN. DEEP ON PLAINSIDE AND 0.884 IN. DEEP ON TOOTH SIDE,OD REDUCED TO 5.355 IN. DIA BY 0.677IN. DEEP ON PLAIN SIDE,OD GROOVED 0.918 IN. W BY 5.530 IN. DIA ON TOOTH SIDE0.162 IN. FROM EDGE,FLANGE 0.162 IN. WIDE,36 FIXED CURVIC COUPLING TEETHLOCATED ON FLANGE FACE W/30 DEG PRESSURE ANGLE 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 1615-00-765-4408 has DEMIL Code B. 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.