The Standing Wave Ratio, cataloged under National Stock Number 4920-01-498-2546, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Meca Electronics Inc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-498-2546 |
| Primary Part Number | 400-3.50 |
| Item Name | Standing Wave Ratio |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Meca Electronics 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 |
|---|---|
| 400-3.50 PRIMARY | Meca Electronics Inc (USA) |
| TRM-1-3.5M PRIMARY | Telonic Berkeley, Inc. Dba Telonic Berkeley (USA) |
| Reference | Meaning |
|---|---|
| 400-3.50 | 5/9 Secondary reference Meca Electronics, Inc. |
NSN 4920-01-498-2546 is a Standing Wave Ratio, manufactured by Meca Electronics Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-498-2546 has 2 manufacturer part numbers on file: 400-3.50 (Meca Electronics Inc), TRM-1-3.5M (Telonic Berkeley, Inc. Dba Telonic Berkeley).
Key specifications for 400-3.50: End Item Identification: ANAPX100V DIVERSITY TRANSPONDER SET. 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 4920-01-498-2546 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.