The Service Unit,refrigeration Syste, cataloged under National Stock Number 4940-01-039-8124, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Walker Power Systems, Inc. Dba Tiernay Turbines. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-039-8124 |
| Primary Part Number | 1200F0001 |
| Item Name | Service Unit,refrigeration Syste |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Walker Power Systems, Inc. Dba Tiernay Turbines |
| Status | ACTIVE |
| General Characteristics Item Description | C/O VACUUM SYSTEM,REFRIGERANT CHARGING SYSTEM,OIL CHARGING SYSTEM,REFRIGERANT GAGES AND SERVICING ACCESSORIES,PORTABLE,SKID-MOUNTED ALUMINUM CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 1200F0001 PRIMARY | Walker Power Systems, Inc. Dba Tiernay Turbines (USA) |
| Reference | Meaning |
|---|---|
| MILS52744 | 4/1 Identification reference U.S. Government activity |
NSN 4940-01-039-8124 is a Service Unit,refrigeration Syste, manufactured by Walker Power Systems, Inc. Dba Tiernay Turbines, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-039-8124 has 1 manufacturer part number on file: 1200F0001 (Walker Power Systems, Inc. Dba Tiernay Turbines).
1 possible match (shared part number, not a government interchangeability claim): 4940-01-043-3064. Verify interchangeability with system specifications before substitution.
Key specifications for 1200F0001: General Characteristics Item Description: C/O VACUUM SYSTEM,REFRIGERANT CHARGING SYSTEM,OIL CHARGING SYSTEM,REFRIGERANT GAGES AND SERVICING ACCESSORIES,PORTABLE,SKID-MOUNTED ALUMINUM CASE. 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.