The Valve,check, cataloged under National Stock Number 4820-01-570-4611, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newmans Valve, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-570-4611 |
| Primary Part Number | 38S-FS2-RP |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Newmans Valve, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL BODY |
| Material | STEEL COMP 410 FLOW CONTROL DEVICE |
| Material | STEEL COMP 316 AND GRAPHITE PACKING |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 38S-FS2-RP PRIMARY | Newmans Valve, Llc (USA) |
| Reference | Meaning |
|---|---|
| N0098000C | 5/9 Secondary reference Newmans Inc New Jersey Div |
| 38S-FS2-RP | 3/9 Design control — primary reference Newmans Inc New Jersey Div |
NSN 4820-01-570-4611 is a Valve,check, manufactured by Newmans Valve, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-570-4611 has 1 manufacturer part number on file: 38S-FS2-RP (Newmans Valve, Llc).
Key specifications for 38S-FS2-RP: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Mounting Position: HORIZONTAL. 11 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.