The Relay,meter Movement, cataloged under National Stock Number 5945-00-971-6592, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 21 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-971-6592 |
| Primary Part Number | 38-6122-4901 |
| Item Name | Relay,meter Movement |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Meter Depth Behind Mounting Flange | 2.484 INCHES NOMINAL IN |
| Terminal Quantity | 6 |
| Meter Body Length | 2.727 INCHES NOMINAL IN |
| Terminal Type | THREADED STUD |
| Release Method | ELECTROMAGNETIC |
| Meter Movement Voltage in Volts | 48.000 NOMINAL |
| Reference Data and Literature | MK 13056, INSTRUCTION BOOK, RTN EQUIPMENT ANTENNA GROUP, MODEL RTA-2, SEC 1-12, FA-6237 CONTROL PANEL, PG 10-56; M 13056, FA-6237A CONTROL PANEL, PG 10-13 A |
| Meter Movement Current Range | +330.0 TO 1000.0 MICROAMPERES |
| Environmental Protection | DUSTPROOF |
| Mounting Configuration | FOUR NO. 4-40 THD MTG STUDS SPACED 2-1/4 IN. C TO C IN |
| Main Contact Current Rating | 1.0 MILLIAMPERES NOMINAL |
| Functional Description | METER, RELAY, (TACAN SPEED-CONTROL METER) |
| Main Contact Form Arrangement | 2A1B |
| Meter Movement Current Type | DC |
| Mounting Flange Diameter | 3.020 INCHES NOMINAL IN |
| Material | PLASTIC CASE |
| Main Contact Current Type | DC |
| Meter Mounting Type | FLUSH |
| Voltage Rating | 48.0 VOLTS NOMINAL |
| Lock in Device Type | PERMANENT MAGNET |
| Contact Closing Condition | DECREASE VALUE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 38-6122-4901 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| 2155498 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc. |
| 1080S44343 | C/1 Advisory reference — outside the item-of-supply concept Solartron Electronics Inc Weston Instruments Div |
| S72050 | C/1 Advisory reference — outside the item-of-supply concept Solartron Electronics Inc Weston Instruments Div |
| 38-6122-4901 | 5/9 Secondary reference U.S. Government activity |
| 303-C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-00-971-6592 is a Relay,meter Movement, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-971-6592 has 1 manufacturer part number on file: 38-6122-4901 (U S Dept of Transportation Federal Aviation Administration).
2 possible matches (shared part number, not a government interchangeability claim): 5940-01-174-3460, 5975-01-733-9843. Verify interchangeability with system specifications before substitution.
Key specifications for 38-6122-4901: Meter Depth Behind Mounting Flange: 2.484 INCHES NOMINAL IN; Terminal Quantity: 6; Meter Body Length: 2.727 INCHES NOMINAL IN; Terminal Type: THREADED STUD. 21 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.
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.