The Base,mast, cataloged under National Stock Number 5985-00-727-4376, 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 L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-727-4376 |
| Primary Part Number | SMC655478 |
| Item Name | Base,mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| FSC Application Data | RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE |
| Mounting Facility Quantity | 4 |
| Mounting Facility Circle Radius | 8.000 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.880 INCHES NOMINAL IN |
| Angle Between Adjacent Mounting Facilities in Deg | 90.0 |
| Basic Shape Style | SQUARE |
| Surface Treatment | ENAMEL |
| Special Markings | RAISED YELLOW ARROW |
| Material | ALUMINUM |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SMC655478 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| SM-D-655478 | 3/2 Design control — primary reference U.S. Government activity |
| AB1087TRA37 | 5/2 Secondary reference U.S. Government activity |
| SMC655478 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5985-00-727-4376 is a Base,mast, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-727-4376 has 1 manufacturer part number on file: SMC655478 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for SMC655478: FSC Application Data: RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE; Mounting Facility Quantity: 4; Mounting Facility Circle Radius: 8.000 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S). 11 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.
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.