The Indicator-Transmitter,rate of Fl, cataloged under National Stock Number 6620-01-310-2103, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Curtiss-Wright Controls Electronic Systems, Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6620-01-310-2103 |
| Primary Part Number | 94540-1 |
| Item Name | Indicator-Transmitter,rate of Fl |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Curtiss-Wright Controls Electronic Systems, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 94540-1 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 94540-1 PRIMARY | Curtiss-Wright Controls Electronic Systems, Inc. (USA) |
| 68-790094-101 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 94540-1 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
NSN 6620-01-310-2103 is a Indicator-Transmitter,rate of Fl, manufactured by Curtiss-Wright Controls Electronic Systems, Inc., classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-310-2103 has 3 manufacturer part numbers on file: 94540-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 94540-1 (Curtiss-Wright Controls Electronic Systems, Inc.), 68-790094-101 (The Boeing Company Div Defense).
Key specifications for 94540-1: Special Features: MATL SOLDER PER QQ-S-571;SENSOR ASSY 1; End Item Identification: F-15 AIRCRAFT. 0 specifications are 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 6620-01-310-2103 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.