The Sealing Ball,degassing Screw Ass, cataloged under National Stock Number 6615-00-910-5484, is classified within Federal Supply Class 6615 (Automatic Pilot Mechanisms and Airborne Gyro Components) of the Instruments and Laboratory Equipment group. The manufacturer of record is Central Machine of Waltham Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6615-00-910-5484 |
| Primary Part Number | 77837-301 |
| Item Name | Sealing Ball,degassing Screw Ass |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | Central Machine of Waltham Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF ONE SETSCREW,NO. 6-40 X 1/4 LG,MATL MS 51023-29,COLD FORMED HEX SOCKET; 1 RIVET,MATL FREE MACHINE BRASS; 1 BALL,MATL FULLY ANEALEDCOPPER |
| 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 |
|---|---|
| 77837-301 PRIMARY | Central Machine of Waltham Inc (USA) |
| Reference | Meaning |
|---|---|
| 77837-301 | 5/9 Secondary reference U.S. Government activity |
| 77837-301 | 5/9 Secondary reference Swiss Technology Inc |
NSN 6615-00-910-5484 is a Sealing Ball,degassing Screw Ass, manufactured by Central Machine of Waltham Inc, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-00-910-5484 has 1 manufacturer part number on file: 77837-301 (Central Machine of Waltham Inc).
Key specifications for 77837-301: General Characteristics Item Description: CONSISTS OF ONE SETSCREW,NO. 6-40 X 1/4 LG,MATL MS 51023-29,COLD FORMED HEX SOCKET; 1 RIVET,MATL FREE MACHINE BRASS; 1 BALL,MATL FULLY ANEALEDCOPPER. 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.
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.