The Nrp,stem,fluid Valve, cataloged under National Stock Number 4820-01-603-9702, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carleton Technologies Inc Div Tampa Facility. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4820-01-603-9702 |
| Primary Part Number | 1970-590-085-3 |
| Item Name | Nrp,stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carleton Technologies Inc Div Tampa Facility |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3423-3001 ITEM 09 | Carleton Technologies Inc Div Tampa Facility (USA) |
| 3423-4001 ITEM 09 | Carleton Technologies Inc Div Tampa Facility (USA) |
| 3423-4001 ITEM 09D0 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970-590-085-3 PRIMARY | Carleton Technologies Inc Div Tampa Facility (USA) |
| 3423-3001 ITEM 09D0 | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970-590-008-3D0 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4820-01-603-9702 is a Nrp,stem,fluid Valve, manufactured by Carleton Technologies Inc Div Tampa Facility, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-603-9702 has 6 manufacturer part numbers on file: 3423-3001 ITEM 09 (Carleton Technologies Inc Div Tampa Facility), 3423-4001 ITEM 09 (Carleton Technologies Inc Div Tampa Facility), 3423-4001 ITEM 09D0 (Naval Inventory Control Point Mechanicsburg), 1970-590-085-3 (Carleton Technologies Inc Div Tampa Facility), 3423-3001 ITEM 09D0 (Naval Inventory Control Point Mechanicsburg) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-672-4733. Verify interchangeability with system specifications before substitution.
Key specifications for 1970-590-085-3: Criticality Code Justification: FEAT; Special Features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS. 1 specification is 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.