The Retainer,tail Rotor Bearing, cataloged under National Stock Number 1615-00-944-6589, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-00-944-6589 |
| Primary Part Number | 369A5116 |
| Item Name | Retainer,tail Rotor Bearing |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL MIL-S-5626 COMP 4140 OR AMS6381,DIM.,0.816 IN. NOM O/A LG,3.375 IN. NOM FLANGE OD BY 0.062 IN. THK,2.9995 IN. MIN,3.0000 IN. MAX BODY OD,2.648 IN. NOM INTERNAL FLANGE ID BY 0.060IN. W,FLANGE END COUNTERBORED 0.756 IN. DEEP TO 2.8335 IN. MIN,2.8341 IN. MAX DIA,ONE NOTCH ON FLANGE AT 180.0 DEG0.150 IN. W BY 0.113 IN. DEEP,MAX SURFACE FINISH,COUNTERBORE 32 MICROINCHES AA,OD AND INTERNAL FLANGE 63 MICROINCHES AA,ALL OTHER SURFACES 250 MICROINCHES AA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 369A5116 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 369A5116 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1615-00-944-6589 is a Retainer,tail Rotor Bearing, manufactured by The Boeing Company, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-00-944-6589 has 1 manufacturer part number on file: 369A5116 (The Boeing Company).
Key specifications for 369A5116: General Characteristics Item Description: STEEL MIL-S-5626 COMP 4140 OR AMS6381,DIM.,0.816 IN. NOM O/A LG,3.375 IN. NOM FLANGE OD BY 0.062 IN. THK,2.9995 IN. MIN,3.0000 IN. MAX BODY OD,2.648 IN. NOM INTERNAL FLANGE ID BY 0.060IN. W,FLANGE END COUNTERBORED 0.756 IN. DEEP TO 2.8335 IN. MIN,2.8341 IN. MAX DIA,ONE NOTCH ON FLANGE AT 180.0 DEG0.150 IN. W BY 0.113 IN. DEEP,MAX SURFACE FINISH,COUNTERBORE 32 MICROINCHES AA,OD AND INTERNAL FLANGE 63 MICROINCHES AA,ALL OTHER SURFACES 250 MICROINCHES AA 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 1615-00-944-6589 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.