The Tuning Unit,radio Frequency, cataloged under National Stock Number 5895-01-691-0478, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Argon St, Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Tuning Unit,radio Frequency |
| FSC / FSG | 5895 — Miscellaneous Communication Equipment (FSG 58) |
| Manufacturers | Argon St, Inc. (CAGE 3B3G2); Argon St, Inc. (CAGE 09XP2); Caci Azure Summit Technology, Llc (CAGE 4WAE2) |
| Parameter | Value |
|---|---|
| NSN | 5895-01-691-0478 |
| Primary Part Number | 279823-01 |
| Item Name | Tuning Unit,radio Frequency |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Argon St, 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) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | HH |
| Part Number | Manufacturer |
|---|---|
| 279823-01 | Argon St, Inc. (USA) |
| 279823-01 PRIMARY | Argon St, Inc. (USA) |
| 279823-01 | Caci Azure Summit Technology, Llc (USA) |
| Reference | Meaning |
|---|---|
| 279823 SHEET 2 | C/1 Advisory reference — outside the item-of-supply concept Argon St, Inc. |
| 279823 REV G | D/9 Drawing number reference only Argon St, Inc. |
NSN 5895-01-691-0478 is a Tuning Unit,radio Frequency, manufactured by Argon St, Inc., classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-691-0478 has 3 manufacturer part numbers on file: 279823-01 (Argon St, Inc.), 279823-01 (Argon St, Inc.), 279823-01 (Caci Azure Summit Technology, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-691-0479. Verify interchangeability with system specifications before substitution.
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 5895-01-691-0478 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.