The Buoyancy Box,marine, cataloged under National Stock Number 2090-01-561-6332, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. The manufacturer of record is Stidd Systems, Inc. Dba Stidd Systems Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2090-01-561-6332 |
| Primary Part Number | 4527-1-150 |
| Item Name | Buoyancy Box,marine |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Manufacturer | Stidd Systems, Inc. Dba Stidd Systems Inc |
| Status | ACTIVE |
| Color | GRAY/GREY |
| Material | GLASS FIBER |
| 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 |
|---|---|
| 4527-1-150 PRIMARY | Stidd Systems, Inc. Dba Stidd Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 4527-1-150 | 6/9 Informative reference only Royal Malaysian Navy |
NSN 2090-01-561-6332 is a Buoyancy Box,marine, manufactured by Stidd Systems, Inc. Dba Stidd Systems Inc, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
NSN 2090-01-561-6332 has 1 manufacturer part number on file: 4527-1-150 (Stidd Systems, Inc. Dba Stidd Systems Inc).
Key specifications for 4527-1-150: Color: GRAY/GREY; Special Features: FIBERGLASSED NON-COMPRESSIBLE FOAM ASSEMBLY PROVIDES BUOYANCY TO DPD AND HAND HOLDS FOR REAR DRIVER; Part Name Assigned by Controlling Agency: REAR DECK ASSEMBLY; End Item Identification: DIVERS PROPULSION DEVICE 4500-100. 2 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.