The Storage and Retrieval Material S, cataloged under National Stock Number 3990-01-413-6900, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is Ridg-U-Rak Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3990-01-413-6900 |
| Primary Part Number | FS-S07-070-26.530-13.00 |
| Item Name | Storage and Retrieval Material S |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | Ridg-U-Rak Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 230.0 AC OR 460.0 AC |
| Color | BLUE AND YELLOW |
| Surface Treatment | PAINT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FS-S07-070-26.530-13.00 PRIMARY | Ridg-U-Rak Inc (USA) |
| Reference | Meaning |
|---|---|
| STAC-U-RAK 7-BAY SYSTEM | 5/1 Secondary reference Ridg-U-Rak Inc |
| NEW PRODUCT | D/9 Drawing number reference only Dla Aviation Engineering Div Department of Defense |
NSN 3990-01-413-6900 is a Storage and Retrieval Material S, manufactured by Ridg-U-Rak Inc, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-413-6900 has 1 manufacturer part number on file: FS-S07-070-26.530-13.00 (Ridg-U-Rak Inc).
1 possible match (shared part number, not a government interchangeability claim): 3990-01-413-6901. Verify interchangeability with system specifications before substitution.
Key specifications for FS-S07-070-26.530-13.00: Voltage in Volts and Current Type: 230.0 AC OR 460.0 AC; Color: BLUE AND YELLOW; Special Features: PALLET SIZE: 26.5 IN. BY 30.0 IN.; SYSTEM SIZE: 18 FT. 4.625 IN. LONG BY 11 FT. 11.5 IN. WIDE BY 14 FT. 10.125 IN. HIGH; 25,000 LB./SECTION (MAX.); 2,000 LB./PALLET (MAX); LIFTING SPEEDS: 4 FT./MIN. AND 16 FT./MIN.; 360 DEGREE TROLLY ROTATION. LBS; Surface Treatment: PAINT. 4 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.