The Switch Subassembly, cataloged under National Stock Number 5930-00-328-0771, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-328-0771 |
| Primary Part Number | 40MS08A-04 |
| Item Name | Switch Subassembly |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems |
| Status | ACTIVE |
| Mounting Configuration | HOUSING MATRIX FRAME MOUNTED |
| 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 |
|---|---|
| 40MS08A-04 | Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems (USA) |
| Reference | Meaning |
|---|---|
| 7637699P104 | 3/9 Design control — primary reference U.S. Government activity |
| 40MS06A04 | 5/9 Secondary reference Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems |
| 7637699P0104 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 40MS08A04 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5930-00-328-0771 is a Switch Subassembly, manufactured by Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-328-0771 has 1 manufacturer part number on file: 40MS08A-04 (Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems).
Key specifications for 40MS08A-04: Overall Height: 0.685 INCHES NOMINAL IN; Overall Length: 2.720 INCHES NOMINAL IN; Overall Width: 0.685 INCHES NOMINAL IN; Special Features: SWITCH MOMENTARY ACTION; MAJOR COMPONENTS: HOUSING 1, INDEX KEYWAY 1, LAMP CONTACT BLOCK 1, PUSHBUTTON REMOVAL LATCH 1,4 POLE DT SWITCH 1. 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.