The Transmitter,rate of Flow, cataloged under National Stock Number 6620-01-167-0874, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-167-0874 |
| Item Name | Transmitter,rate of Flow |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| Actuation Method | IMPELLER WHEEL AND MOTION |
| Phase | SINGLE |
| Terminal Quantity | 7 |
| Current Type | AC |
| Mechanical Connection Quantity | 2 |
| Terminal Type | PIN CONTACTS |
| Electrical Connection Quantity | 1 |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 80000.0 POUNDS PER HOUR LBS |
| Electrical Connection Controlling Agency | MS |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-T-38144 | 4/1 Identification reference U.S. Government activity |
| TRU63/A3 | 2/2 Government specification standardization U.S. Government activity |
NSN 6620-01-167-0874 is a Transmitter,rate of Flow, classified under FSC 6620, Engine Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6620-01-247-7655, 6620-01-249-8696. Verify interchangeability with system specifications before substitution.
Key specifications for 6620-01-167-0874: Actuation Method: IMPELLER WHEEL AND MOTION; Phase: SINGLE; Terminal Quantity: 7; Current Type: AC. 12 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 6620-01-167-0874 has DEMIL Code D. 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.