The Cover,antenna Support, cataloged under National Stock Number 5985-00-404-4027, 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 Sheffield Manufacturing, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-404-4027 |
| Primary Part Number | 740648-185 |
| Item Name | Cover,antenna Support |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Sheffield Manufacturing, Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Body Length | 37.750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 740648-185 | Sheffield Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 125-109-143 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
| 740648-143 | 5/9 Secondary reference U.S. Government activity |
| 66-48185 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
| 740648-185 | 3/2 Design control — primary reference U.S. Government activity |
| 960224-109 | 5/2 Secondary reference U.S. Government activity |
| 68-48143 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
NSN 5985-00-404-4027 is a Cover,antenna Support, manufactured by Sheffield Manufacturing, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-404-4027 has 1 manufacturer part number on file: 740648-185 (Sheffield Manufacturing, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5365-00-869-0281. Verify interchangeability with system specifications before substitution.
Key specifications for 740648-185: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Overall Length: 44.150 INCHES NOMINAL IN; Body Length: 37.750 INCHES NOMINAL IN; Special Features: M 65.0 TO P 200.0 DEG F OPERATING TEMP DEGF. 3 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 5985-00-404-4027 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.