The Stem,fluid Valve, cataloged under National Stock Number 4820-01-282-9401, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-282-9401 |
| Primary Part Number | 540018020056976 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| 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 |
|---|---|
| 261-6100708 ITEM 8 | Naval Sea Systems Command (USA) |
| 540018020056976 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 261-6100708 | D/9 Drawing number reference only Naval Sea Systems Command |
| C3-250-55-01-03 ITEM 8 | 5/9 Secondary reference Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| C3-250-55-01-03 | D/9 Drawing number reference only Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
NSN 4820-01-282-9401 is a Stem,fluid Valve, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-282-9401 has 2 manufacturer part numbers on file: 261-6100708 ITEM 8 (Naval Sea Systems Command), 540018020056976 (Tate Andale, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-283-7192. Verify interchangeability with system specifications before substitution.
Key specifications for 540018020056976: Special Features: 150.0 PSI;100.0 DEG F; MATERIAL IS MONEL DEGF. 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.