The Disk,valve, cataloged under National Stock Number 4820-01-099-2936, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-099-2936 |
| Primary Part Number | 042655CP |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Pressure Rating | 2650.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Rating | 230.0 FAHRENHEIT NOMINAL DEGF |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Style Designator | PLAIN |
| Inside Diameter | 0.813 INCHES NOMINAL IN |
| Media for Which Designed | GAS |
| Material | PLASTIC POLYAMIDE NYLON |
| Reference Number Differentiating Characteristics | CLEANED IN ACCORDANCE WITH MIL-P-52211 |
| 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 |
|---|---|
| 042655CP | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-1059 PART NO. 042655CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 042655 | 3/1 Design control — primary reference Hydrasearch Company, Llc |
| PL-1059 PART NO. 042655 | 5/1 Secondary reference Radiac Abrasives Inc |
| A-4265 | D/9 Drawing number reference only Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
| 042655 | 3/9 Design control — primary reference Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging |
NSN 4820-01-099-2936 is a Disk,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-099-2936 has 2 manufacturer part numbers on file: 042655CP (Naval Inventory Control Point Mechanicsburg), PL-1059 PART NO. 042655CP (Naval Inventory Control Point Mechanicsburg).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-124-2827, 4820-01-330-6145. Verify interchangeability with system specifications before substitution.
Key specifications for 042655CP: Overall Height: 0.250 INCHES NOMINAL IN; Pressure Rating: 2650.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Temp Rating: 230.0 FAHRENHEIT NOMINAL DEGF; Outside Diameter: 1.125 INCHES NOMINAL IN. 9 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.