The Valve,check, cataloged under National Stock Number 4820-01-248-5135, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-248-5135 |
| Primary Part Number | 2432-1001-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Operating Pressure | 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY BODY |
| 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 |
|---|---|
| 2432-1001-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| R238-006 AND 2432-1001REV-D | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
| 2432-1001-1,243 | C/1 Advisory reference — outside the item-of-supply concept Mission Systems Orchard Park Inc |
| R238-006 AND 2432-1001REVD | 5/9 Secondary reference Mission Systems Orchard Park Inc |
| R238-006 AND 2432-1001REV-C | 5/9 Secondary reference Mission Systems Orchard Park Inc |
| 2432-1001-1 | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
NSN 4820-01-248-5135 is a Valve,check, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-248-5135 has 1 manufacturer part number on file: 2432-1001-1 (Mission Systems Orchard Park Inc).
Key specifications for 2432-1001-1: Connection Type: BUTT WELD PIPE ALL ENDS; Operating Pressure: 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: NICKEL ALLOY BODY. 3 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.