The Contact Kit,transfer Switch, cataloged under National Stock Number 6110-01-003-2523, 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 Services Inc Dba Asco Emergency Power Maintenance Incorporated. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-01-003-2523 |
| Primary Part Number | 257-822 |
| Item Name | Contact Kit,transfer Switch |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated |
| Status | ACTIVE |
| General Characteristics Item Description | KIT CONTAINS ONE CONTACT P/N247-731,TWO CONTACTS P/N 247-729,FOUR WASHERS P/N 16-313-2,TWO SPRINGS P/N 249-141,TWO STOP NUTS P/N 35-837-3,TWO CONTACT POSTS P/N 247-692,TWO CAP SCREWS P/N 73-102-4-A2,ONE RECTIFIER P/N120-388,ALL MANUFACTURED BY 04845,ANDONE RESISTOR P/N 0200A MANUFACTURED BY44655 A |
| 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 |
|---|---|
| 257-822 PRIMARY | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 257-822 | 3/9 Design control — primary reference Automatic Switch Company Dba Asco |
| 249-027 | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
| 249-024 | C/1 Advisory reference — outside the item-of-supply concept Automatic Switch Company Dba Asco |
NSN 6110-01-003-2523 is a Contact Kit,transfer Switch, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-003-2523 has 1 manufacturer part number on file: 257-822 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-185-3560, 5340-01-219-8336. Verify interchangeability with system specifications before substitution.
Key specifications for 257-822: General Characteristics Item Description: KIT CONTAINS ONE CONTACT P/N247-731,TWO CONTACTS P/N 247-729,FOUR WASHERS P/N 16-313-2,TWO SPRINGS P/N 249-141,TWO STOP NUTS P/N 35-837-3,TWO CONTACT POSTS P/N 247-692,TWO CAP SCREWS P/N 73-102-4-A2,ONE RECTIFIER P/N120-388,ALL MANUFACTURED BY 04845,ANDONE RESISTOR P/N 0200A MANUFACTURED BY44655 A. 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.