The Test Set,navigation, cataloged under National Stock Number 6625-01-516-4656, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Viavi Solutionsllc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-516-4656 |
| Primary Part Number | IFR 4000 |
| Item Name | Test Set,navigation |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Viavi Solutionsllc |
| Status | ACTIVE |
| AC Voltage Rating | 100.0 VOLTS MINIMUM AND 250.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Reference Data and Literature | T.O. 33A1-3-112-1,-2 |
| Features Provided | INTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Test Type for Which Designed | PRODUCES BOTH RF AND AUDIO SIGNALS TO TEST VHF OMNIDIRECTIONAL RADIO RANGE (VOR), LOCALIZER (LOC), GLIDESLOPE (GS) AND MARKER BEACON (MB RECEIVERS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VS |
| Weight | 25.0000 lbs |
| Cube | 1.9444 cu ft |
| Part Number | Manufacturer |
|---|---|
| MPG-A00-0048 | M.p.g. Instruments Srl (ITA) |
| IFR 4000 | Wytwornia Sprzetu Komunikacyjnego "pzl-Swidnik" S.a. (POL) |
| 72418 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| IFR 4000 | Edmo Distributors, Incorporated Dba Edmo Distributors (USA) |
| 72418 | Viavi Solutionsllc (USA) |
| IFR4000 | Aeroflex (FRA) |
| IFR 4000 PRIMARY | Viavi Solutionsllc (USA) |
| Reference | Meaning |
|---|---|
| 72-418 | 5/9 Secondary reference Aeroflex France |
| 6625PL0644916 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 6625PL2081318 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6625-01-516-4656 is a Test Set,navigation, manufactured by Viavi Solutionsllc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-516-4656 has 7 manufacturer part numbers on file: MPG-A00-0048 (M.p.g. Instruments Srl), IFR 4000 (Wytwornia Sprzetu Komunikacyjnego "pzl-Swidnik" S.a.), 72418 (Leonardo Spa Helicopters Division - Production Site), IFR 4000 (Edmo Distributors, Incorporated Dba Edmo Distributors), 72418 (Viavi Solutionsllc) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-557-0463. Verify interchangeability with system specifications before substitution.
Key specifications for IFR 4000: AC Voltage Rating: 100.0 VOLTS MINIMUM AND 250.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Reference Data and Literature: T.O. 33A1-3-112-1,-2; Features Provided: INTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED; Frequency Rating: 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6625-01-516-4656 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.