The Valve,check, cataloged under National Stock Number 4820-01-465-3238, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Western Enterprises Div of Scott and Fetzer Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-465-3238 |
| Primary Part Number | CVF-4MSS-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Western Enterprises Div of Scott and Fetzer Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| CVF-4MSS-1 PRIMARY | Western Enterprises Div of Scott and Fetzer Co (USA) |
| Reference | Meaning |
|---|---|
| 4820PL1627022 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4820PL0873215 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 029616 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 029616-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 4820PL2112281 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-465-3238 is a Valve,check, manufactured by Western Enterprises Div of Scott and Fetzer Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-465-3238 has 1 manufacturer part number on file: CVF-4MSS-1 (Western Enterprises Div of Scott and Fetzer Co).
Key specifications for CVF-4MSS-1: Special Features: NEXT HIGHER ASSY; F100 PW229,PRESSURE 6000 PSI,LENGTH 2.500,ONE END 0.250-18 NPTF EXTERNAL THREAD,OTHER END 0.250-18 NPTF INTERNAL THREAD; End Item Identification: W/S AIRCRAFT, FREEDOM FIGHTER F-5; Material: STEEL CORROSION RESISTING OVERALL. 1 specification is 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.