The Valve,check, cataloged under National Stock Number 4820-01-502-4955, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ja Moody Llc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-502-4955 |
| Primary Part Number | 12299-010 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ja Moody Llc |
| Status | ACTIVE |
| Connection Type | FLANGE ALL ENDS |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY SEAT |
| 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 |
|---|---|
| 12299-010 PRIMARY | Ja Moody Llc (USA) |
NSN 4820-01-502-4955 is a Valve,check, manufactured by Ja Moody Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-502-4955 has 1 manufacturer part number on file: 12299-010 (Ja Moody Llc).
Key specifications for 12299-010: Connection Type: FLANGE ALL ENDS; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: MONEL HINGE PIN PLUG,FACE TO FACE 10.75,6 5/8 INCH FLANGE DIA.,15/16 FLANGE THICKNESS. IN; Part Name Assigned by Controlling Agency: 3 INCH SWING CHECK VALVE IN. 6 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.