The Mixer,crystal,waveguide, cataloged under National Stock Number 5985-01-138-0451, 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 Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5985-01-138-0451 |
| Primary Part Number | 17-19171-1 |
| Item Name | Mixer,crystal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Insertion Loss in Decibels | 4.5 |
| Local Oscillator Input Adjustability | NONADJUSTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 17-19171-1 | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| 17-19171-1 | Hxi, Llc Dba Hxi Llc (USA) |
| Reference | Meaning |
|---|---|
| 17-19171-1 | 5/9 Secondary reference U.S. Government activity |
| 17-19171-1 | 7/2 Vendor item drawing reference Naval Air Warfare Ctr Aircraft Div |
| 60639000 | 3/9 Design control — primary reference Skyworks Solutions, Inc. |
NSN 5985-01-138-0451 is a Mixer,crystal,waveguide, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-138-0451 has 2 manufacturer part numbers on file: 17-19171-1 (Textron Systems Corporation Dba Textron Systems Corp), 17-19171-1 (Hxi, Llc Dba Hxi Llc).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-566-9474. Verify interchangeability with system specifications before substitution.
Key specifications for 17-19171-1: Overall Height: 1.093 INCHES NOMINAL IN; Overall Length: 2.000 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN; Insertion Loss in Decibels: 4.5. 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 5985-01-138-0451 has DEMIL Code D. 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.