The Switch,interlock, cataloged under National Stock Number 5930-01-006-8030, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Meadowlands Fire Security & Electric Supply Co, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-006-8030 |
| Primary Part Number | 28A GRAY |
| Item Name | Switch,interlock |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Meadowlands Fire Security & Electric Supply Co, Inc |
| Status | ACTIVE |
| Mounting Method | UNTHREADED HOLE(S) AND FLANGE |
| Terminal Type and Quantity | 2 SCREW |
| 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 |
|---|---|
| 28A GRAY | Meadowlands Fire Security & Electric Supply Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 39 | 5/9 Secondary reference Alarm Device Mfg Co Div of Pittway Corp |
| 39GY | 3/9 Design control — primary reference Alarm Device Mfg Co Div of Pittway Corp |
| 39B | C/1 Advisory reference — outside the item-of-supply concept Alarm Device Mfg Co Div of Pittway Corp |
NSN 5930-01-006-8030 is a Switch,interlock, manufactured by Meadowlands Fire Security & Electric Supply Co, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-006-8030 has 1 manufacturer part number on file: 28A GRAY (Meadowlands Fire Security & Electric Supply Co, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-152-6115. Verify interchangeability with system specifications before substitution.
Key specifications for 28A GRAY: Mounting Method: UNTHREADED HOLE(S) AND FLANGE; Terminal Type and Quantity: 2 SCREW. 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.
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.