The Accumulator,hydraulic, cataloged under National Stock Number 2090-01-399-7899, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2090-01-399-7899 |
| Primary Part Number | 211072148Q5 |
| Item Name | Accumulator,hydraulic |
| 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 | AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED |
| 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 |
|---|---|
| 211072148Q5 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6405536-AY99Q5 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6405536 AY99Q5 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 801-6405536-AY99 | 5/1 Secondary reference Naval Sea Systems Command |
| 6405536 AY99 | 5/1 Secondary reference Naval Sea Systems Command |
| 211072148 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 2090-01-399-7899 is a Accumulator,hydraulic, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
NSN 2090-01-399-7899 has 3 manufacturer part numbers on file: 211072148Q5 (Naval Inventory Control Point Mechanicsburg), 801-6405536-AY99Q5 (Naval Inventory Control Point Mechanicsburg), 6405536 AY99Q5 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 211072148Q5: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED. 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 2090-01-399-7899 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.