The Probe,waveguide, cataloged under National Stock Number 5985-01-257-9470, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5985-01-257-9470 |
| Primary Part Number | 478A-H75 |
| Item Name | Probe,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies, 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 | N |
| Part Number | Manufacturer |
|---|---|
| 478A-H75 PRIMARY | Keysight Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 478A-H75 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 478A-H75 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 5985PL0802891 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-257-9470 is a Probe,waveguide, manufactured by Keysight Technologies, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-257-9470 has 1 manufacturer part number on file: 478A-H75 (Keysight Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-606-5275. Verify interchangeability with system specifications before substitution.
Key specifications for 478A-H75: End Item Identification: F/FB111 AIS PROGRAM. 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 5985-01-257-9470 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.