The Switching Unit,power Transfer, cataloged under National Stock Number 6110-01-173-3272, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-01-173-3272 |
| Primary Part Number | 193A138CWT |
| Item Name | Switching Unit,power Transfer |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Phase | THREE |
| Current Type | AC |
| Supplementary Features | MODIFIED NAVY SYMBOL ABT-A300 |
| Voltage in Volts | 450.0 |
| Enclosure Feature | WATERTIGHT |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Usage Design | PROVIDE POWER TRANSFER THRU TIME DELAY UNIT TO REACTOR STILL PUMP ON NAVY VESSEL CVN71 |
| Current Rating in Amps | 300.0 |
| Switch Operation Method | ELECTROMAGNETIC |
| 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 |
|---|---|
| 193A138CWT PRIMARY | Automatic Switch Company Dba Asco (USA) |
| 193A138CWT | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA) |
NSN 6110-01-173-3272 is a Switching Unit,power Transfer, manufactured by Automatic Switch Company Dba Asco, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-173-3272 has 2 manufacturer part numbers on file: 193A138CWT (Automatic Switch Company Dba Asco), 193A138CWT (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
Key specifications for 193A138CWT: Phase: THREE; Current Type: AC; Supplementary Features: MODIFIED NAVY SYMBOL ABT-A300; Voltage in Volts: 450.0. 9 specifications are 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.