The Mixer,crystal,coaxial, cataloged under National Stock Number 5985-00-177-9211, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5985-00-177-9211 |
| Item Name | Mixer,crystal,coaxial |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Frequency Range Rating | +0.0 TO 750.0 MEGAHERTZ |
| Insertion Loss in Decibels | 8.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 252999 | 3/2 Design control — primary reference U.S. Government activity |
| 22553KB | 5/9 Secondary reference Spectrum Microwave, Inc. |
NSN 5985-00-177-9211 is a Mixer,crystal,coaxial, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5999-01-004-2590. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-177-9211: Overall Height: 0.880 INCHES NOMINAL IN; Overall Length: 1.650 INCHES NOMINAL IN; Overall Width: 0.990 INCHES NOMINAL IN; Frequency Range Rating: +0.0 TO 750.0 MEGAHERTZ. 2 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 5985-00-177-9211 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.