The Tach Disk,recorder, cataloged under National Stock Number 6610-01-220-1011, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Lockheed Martin Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6610-01-220-1011 |
| Primary Part Number | 10138C560-101 |
| Item Name | Tach Disk,recorder |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL IS 3 MIL 17-7SST;FINISH IS PASSIVATE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 10138C560-101 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10138C560-101 | 5/9 Secondary reference U.S. Government activity |
NSN 6610-01-220-1011 is a Tach Disk,recorder, manufactured by Lockheed Martin Corporation, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-220-1011 has 1 manufacturer part number on file: 10138C560-101 (Lockheed Martin Corporation).
Key specifications for 10138C560-101: General Characteristics Item Description: MATERIAL IS 3 MIL 17-7SST;FINISH IS PASSIVATE; End Item Identification: FLIGHT DATA RECORDER. 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 6610-01-220-1011 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.