The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-506-2869, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-506-2869 |
| Primary Part Number | 2200-3167146PC82-8 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outside Diameter | 3.375 INCHES NOMINAL IN |
| Style Designator | FLAT |
| Material Thickness | 0.109 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 2.812 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC AND COPPER ALLOY |
| Hole Diameter | 0.266 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2200-3167146PC82-8 PRIMARY | Naval Sea Systems Command (USA) |
| 7298-104 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| KF52-743-100PC81-10SH4 PRIMARY | Gpe Controls, Inc Dba Shand & Jurs (USA) |
| 2200-3167146PC81-10 PRIMARY | Naval Sea Systems Command (USA) |
| KF52-743-100PC82-8SH4 PRIMARY | Gpe Controls, Inc Dba Shand & Jurs (USA) |
| Reference | Meaning |
|---|---|
| 3683-3 | 5/9 Secondary reference Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| 2200-3167146PC81-10 | 5/9 Secondary reference U.S. Government activity |
| 2200-3167146PC82-8 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-506-2869 is a Diaphragm,valve,flat, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-506-2869 has 5 manufacturer part numbers on file: 2200-3167146PC82-8 (Naval Sea Systems Command), 7298-104 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), KF52-743-100PC81-10SH4 (Gpe Controls, Inc Dba Shand & Jurs), 2200-3167146PC81-10 (Naval Sea Systems Command), KF52-743-100PC82-8SH4 (Gpe Controls, Inc Dba Shand & Jurs).
1 possible match (shared part number, not a government interchangeability claim): 6350-01-672-8725. Verify interchangeability with system specifications before substitution.
Key specifications for 2200-3167146PC82-8: Outside Diameter: 3.375 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.109 INCHES NOMINAL IN; Bolt Hole Quantity: 8. 7 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.