The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-545-4094, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 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 | 4820-01-545-4094 |
| Primary Part Number | 1996-00 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Pressure Rating | 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 6.156 INCHES NOMINAL IN |
| Style Designator | FLAT |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL IN |
| Center Hole Diameter | 0.375 INCHES NOMINAL IN |
| Media for Which Designed | WATER |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Hole Diameter | 0.688 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 |
NSN 4820-01-545-4094 is a Diaphragm,valve,flat, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-545-4094 has 2 manufacturer part numbers on file: 40741PC11 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1996-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-550-7610. Verify interchangeability with system specifications before substitution.
Key specifications for 1996-00: Pressure Rating: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 6.156 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.094 INCHES NOMINAL IN. 10 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.