The Contact Set,transfer Switch, cataloged under National Stock Number 6110-01-019-7500, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Asco Power Technologies, L..p.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-01-019-7500 |
| Primary Part Number | 139-908 |
| Item Name | Contact Set,transfer Switch |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Asco Power Technologies, L..p. |
| Status | ACTIVE |
| General Characteristics Item Description | FOUR SETS OF ENCLOSED CONTACTS AND TWO INSULATORS,EACH CONTACT SET 2.375 IN. L,0.438 IN. W,1.125 IN. H,EACH INSULATOR 2.375 IN. L,1.062 IN. W,0.062 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 139-908 PRIMARY | Asco Power Technologies, L..p. (USA) |
| Reference | Meaning |
|---|---|
| JHP124-077-3 | C/1 Advisory reference — outside the item-of-supply concept Hollingsworth John R Co |
| 139-908 | 5/9 Secondary reference Automatic Switch Company Dba Asco |
NSN 6110-01-019-7500 is a Contact Set,transfer Switch, manufactured by Asco Power Technologies, L..p., classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-019-7500 has 1 manufacturer part number on file: 139-908 (Asco Power Technologies, L..p.).
Key specifications for 139-908: General Characteristics Item Description: FOUR SETS OF ENCLOSED CONTACTS AND TWO INSULATORS,EACH CONTACT SET 2.375 IN. L,0.438 IN. W,1.125 IN. H,EACH INSULATOR 2.375 IN. L,1.062 IN. W,0.062 IN. THK IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.