The Power Supply, cataloged under National Stock Number 6120-01-536-9971, is classified within Federal Supply Class 6120 (Transformers: Distribution and Power Station) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 6120-01-536-9971 |
| Primary Part Number | 1756-PB72 |
| Item Name | Power Supply |
| FSC / FSG | 6120 / 61 — Transformers: Distribution and Power Station |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Overall Diameter | 145.0 MILLIMETERS NOMINAL MM |
| Operating Ambient Temp Range | +32.0 TO 140.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1756-PB72 | Rockwell Automation Ltd (GBR) |
| HN4.7777.002.81 | Elsag Datamat Spa (ITA) |
| MA00015685 | Northrop Grumman Sperry Marine B.v. (GBR) |
| 1756-PB72 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 1756-PB72 | 5/1 Secondary reference Rockwell Automation Inc Dba Rockwell Automation |
NSN 6120-01-536-9971 is a Power Supply, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 6120, Transformers: Distribution and Power Station. Status: active.
NSN 6120-01-536-9971 has 4 manufacturer part numbers on file: 1756-PB72 (Rockwell Automation Ltd), HN4.7777.002.81 (Elsag Datamat Spa), MA00015685 (Northrop Grumman Sperry Marine B.v.), 1756-PB72 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 1756-PB72: Overall Diameter: 145.0 MILLIMETERS NOMINAL MM; Overall Length: 140.0 MILLIMETERS NOMINAL MM; Overall Width: 112.0 MILLIMETERS NOMINAL MM; Operating Ambient Temp Range: +32.0 TO 140.0 FAHRENHEIT DEGF. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6120-01-536-9971 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.