The Valve,check, cataloged under National Stock Number 4820-01-129-8015, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rogerson Aircraft Equipment Group. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-129-8015 |
| Primary Part Number | 32200 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rogerson Aircraft Equipment Group |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | OCTAGON WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Bolt Circle Nominal Diameter | 3.812 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | MIL-R-83248, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-A-596, ALLOY 356, T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Bolt Hole Nominal Diameter | 0.328 INCHES ALL ENDS IN |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bolt Hole Quantity | 6 FIRST END |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | ALUMINUM ALLOY 356.0 BODY |
| Material | RUBBER FLUOROCARBON CLASS FPM SEAT |
| Material | ALUMINUM ALLOY 356.0 FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.200 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 32200 PRIMARY | Rogerson Aircraft Equipment Group (USA) |
| Reference | Meaning |
|---|---|
| 74B580063-101 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10124606 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 716000-101 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-129-8015 is a Valve,check, manufactured by Rogerson Aircraft Equipment Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-129-8015 has 1 manufacturer part number on file: 32200 (Rogerson Aircraft Equipment Group).
2 possible matches (shared part number, not a government interchangeability claim): 1615-01-218-5596, 6515-01-444-5354. Verify interchangeability with system specifications before substitution.
Key specifications for 32200: Flow Control Device: DISK; Flange Shape: OCTAGON WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Bolt Circle Nominal Diameter: 3.812 INCHES FIRST END IN. 19 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.