The Cover,waveguide Flange, cataloged under National Stock Number 5985-01-037-2278, 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 Corp Div Antenna Products. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-037-2278 |
| Primary Part Number | SM-B-540987 |
| Item Name | Cover,waveguide Flange |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Material | PLASTIC |
| 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 |
|---|---|
| SM-B-540987 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| SM-B-540987 | 5/9 Secondary reference Gallatin Sand & Construction Dba Barney & Robin Esbeck Div Barney & Robin Esbeck |
| SM-B-540987 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-037-2278 is a Cover,waveguide Flange, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-037-2278 has 1 manufacturer part number on file: SM-B-540987 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for SM-B-540987: Overall Height: 0.250 INCHES NOMINAL IN; Overall Length: 0.617 INCHES NOMINAL IN; Overall Width: 0.306 INCHES NOMINAL IN; Material: PLASTIC. 1 specification is 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.