The Seat,valve, cataloged under National Stock Number 4820-00-374-3223, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-374-3223 |
| Primary Part Number | 064-00374-000 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Body Outside Diameter | 2.401 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN |
| Seal Accommodation Type | GROOVED |
| Taper Minor Diameter | 1.195 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Taper Major Diameter | 2.401 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN |
| Taper Length | 0.488 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 064-00374-000 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 064-00374K | C/1 Advisory reference — outside the item-of-supply concept Johnson Controls Navy Systems, Llc |
| 64-374 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| 64-374PK | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| P479684K | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| 064-00374 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
NSN 4820-00-374-3223 is a Seat,valve, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-374-3223 has 1 manufacturer part number on file: 064-00374-000 (Johnson Controls Navy Systems, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-718-6917, 5995-00-870-2396, 5340-01-519-8367. Verify interchangeability with system specifications before substitution.
Key specifications for 064-00374-000: Overall Height: 0.487 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Body Outside Diameter: 2.401 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN; Seal Accommodation Type: GROOVED; Taper Minor Diameter: 1.195 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN. 8 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.