The Attenuator,fixed, cataloged under National Stock Number 5985-01-400-1649, 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 Caes Mission Systems Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-400-1649 |
| Primary Part Number | MD-205X007 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Waveguide Flange Type | CONTACT |
| Mounting Hole/stud Quantity | 4 |
| Mounting Method | CONNECTOR AND TERMINAL WITH MOUNTING HOLES |
| Surface Treatment | CHROMATE BODY |
| Connection Type Per Function | FEMALE OUTPUT |
| Test Data Document | 82577-PS32008-186 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Application Design | WAVEGUIDE |
| Mounting Facility Thread Size and Series/type Designator | 8-32 UNIFIED NATIONAL COARSE (UNC) |
| Terminal Type and Quantity | 1 FLANGE |
| 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 |
|---|---|
| MD-205X007 | Caes Mission Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| MA9908 | 3/2 Design control — primary reference U.S. Government activity |
| 8655250 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-400-1649 is a Attenuator,fixed, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-400-1649 has 1 manufacturer part number on file: MD-205X007 (Caes Mission Systems Llc).
Key specifications for MD-205X007: Waveguide Flange Type: CONTACT; Mounting Hole/stud Quantity: 4; Mounting Method: CONNECTOR AND TERMINAL WITH MOUNTING HOLES; Special Features: WAVEGUIDE TO COAX CONFIGURATION. 9 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 5985-01-400-1649 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.