The Cylinder,hydraulic Accumulator, cataloged under National Stock Number 2090-01-399-3445, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2090-01-399-3445 |
| Primary Part Number | 211073846SS |
| Item Name | Cylinder,hydraulic Accumulator |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 211073846SS | Naval Inventory Control Point Mechanicsburg (USA) |
| 6404316 ASSY 99SS | Naval Inventory Control Point Mechanicsburg (USA) |
| 566-6404316 ASSEMBLY 99SS | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 211073846 | 5/1 Secondary reference Naval Sea Systems Command |
| 566-6404316 ASSEMBLY 99 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 6404316 ASSY 99 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 2090-01-399-3445 is a Cylinder,hydraulic Accumulator, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
NSN 2090-01-399-3445 has 3 manufacturer part numbers on file: 211073846SS (Naval Inventory Control Point Mechanicsburg), 6404316 ASSY 99SS (Naval Inventory Control Point Mechanicsburg), 566-6404316 ASSEMBLY 99SS (Naval Inventory Control Point Mechanicsburg).
Key specifications for 211073846SS: Criticality Code Justification: ZZZY; End Item Identification: CYLINDER, ASSEMBLY-ACTUATING, LINEAR, HYDRAULIC; Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS. 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.
NSN 2090-01-399-3445 has DEMIL Code B. 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.