The Mixer Stage,frequency, cataloged under National Stock Number 5895-01-331-4890, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Fisica Applied Technologies, Inc. Div Randtron Antenna Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5895-01-331-4890 |
| Primary Part Number | 40521-1 |
| Item Name | Mixer Stage,frequency |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Inclosure Material | ALUMINUM |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 10000.0 FEET FT |
| Average Life Measurement | NOT RATED |
| Installation Design | MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VT |
| Part Number | Manufacturer |
|---|---|
| 40521-1 PRIMARY | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA) |
| Reference | Meaning |
|---|---|
| 16570305-1 | 7/2 Vendor item drawing reference L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products |
NSN 5895-01-331-4890 is a Mixer Stage,frequency, manufactured by Fisica Applied Technologies, Inc. Div Randtron Antenna Systems, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-331-4890 has 1 manufacturer part number on file: 40521-1 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-587-1863. Verify interchangeability with system specifications before substitution.
Key specifications for 40521-1: Circuit Construction Type: SOLID STATE; Overall Height: 1.250 INCHES NOMINAL IN; Inclosure Type: ENCASED; Inclosure Material: ALUMINUM. 7 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 5895-01-331-4890 has DEMIL Code C. 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.