The Valve Assembly,manifold, cataloged under National Stock Number 4810-01-522-4889, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hhe Services, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-522-4889 |
| Primary Part Number | HI-721-2400 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hhe Services, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| HI-721-2400 PRIMARY | Hhe Services, Inc. (USA) |
| HI-721-1000 ITEM 70 | Hhe Services, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HI-721-1000 | D/9 Drawing number reference only Hhe Services, Inc. |
NSN 4810-01-522-4889 is a Valve Assembly,manifold, manufactured by Hhe Services, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-522-4889 has 2 manufacturer part numbers on file: HI-721-2400 (Hhe Services, Inc.), HI-721-1000 ITEM 70 (Hhe Services, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 6680-01-522-5233, 4730-01-523-0296, 6680-01-524-2894. Verify interchangeability with system specifications before substitution.
Key specifications for HI-721-2400: Part Name Assigned by Controlling Agency: MANIFOLD ASSEMBLY, STARBOARD HAND PUMP; End Item Identification: USED ON SHIPS, HULL 2484. 0 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.