The Rack,electrical Equipment, cataloged under National Stock Number 5975-01-529-5033, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bellofram Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-529-5033 |
| Primary Part Number | MB988-3WKD |
| Item Name | Rack,electrical Equipment |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Style Designator | ENCLOSED VERTICAL FRONT |
| Features Provided | INDICATOR LIGHT AND INTEGRAL KEY LOCK |
| Ventilation Design Type | PERFORATED |
| Color | BEIGE OR BLACK |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MB988-3WKD | Bellofram Corporation (USA) |
| MB988-3WKD | Gorilla Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MB988-3WKD | 3/9 Design control — primary reference Desco Corp Marsh Bellofram Div |
| SW001105 LINE ITEM 45 | 5/1 Secondary reference University of Texas at Austin Div Applied Research Laboratories |
| SW001148 LINE ITEM 4 | 5/1 Secondary reference University of Texas at Austin Div Applied Research Laboratories |
NSN 5975-01-529-5033 is a Rack,electrical Equipment, manufactured by Bellofram Corporation, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-529-5033 has 2 manufacturer part numbers on file: MB988-3WKD (Bellofram Corporation), MB988-3WKD (Gorilla Systems, Inc.).
Key specifications for MB988-3WKD: Overall Height: 1.650 INCHES NOMINAL IN; Style Designator: ENCLOSED VERTICAL FRONT; Overall Width: 5.750 INCHES NOMINAL IN; Features Provided: INDICATOR LIGHT AND INTEGRAL KEY LOCK. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.