The Valve,check, cataloged under National Stock Number 4820-01-617-5470, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ovc-Engineered Solutions Llc. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-617-5470 |
| Primary Part Number | BUIBRMT.125SS |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ovc-Engineered Solutions Llc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU DROP-IN CARTRIDGE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| BUIBRMT.125SS PRIMARY | Ovc-Engineered Solutions Llc (USA) |
NSN 4820-01-617-5470 is a Valve,check, manufactured by Ovc-Engineered Solutions Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-617-5470 has 1 manufacturer part number on file: BUIBRMT.125SS (Ovc-Engineered Solutions Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-634-0335. Verify interchangeability with system specifications before substitution.
Key specifications for BUIBRMT.125SS: Style Designator: STRAIGHT THRU DROP-IN CARTRIDGE; End Item Identification: 7360-01-599-01-1956; Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC. 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.