The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-247-6536, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-247-6536 |
| Primary Part Number | GS42-909 |
| Item Name | Contact Assembly,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated |
| Status | ACTIVE |
| Terminal Quantity | 18 |
| Terminal Type | STUD AND HOLE |
| Structural Design | NONSWITCHING |
| Contact Quantity | 9 |
| Mounting Configuration | NINE CONTACTS IRREGULARLY SPACED ON A SHAFT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | Y |
| Part Number | Manufacturer |
|---|---|
| GS42-909 PRIMARY | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA) |
| Reference | Meaning |
|---|---|
| GS42-909 | 5/9 Secondary reference Automatic Switch Company Dba Asco |
NSN 5999-01-247-6536 is a Contact Assembly,electrical, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-247-6536 has 1 manufacturer part number on file: GS42-909 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
Key specifications for GS42-909: Terminal Quantity: 18; Terminal Type: STUD AND HOLE; Structural Design: NONSWITCHING; Contact Quantity: 9. 5 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.