The Valve,check, cataloged under National Stock Number 4820-01-495-7537, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-495-7537 |
| Primary Part Number | MB15-9071-MR-385 5IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | UNTHREADED CARTRIDGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM B-148 GR 9-A ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material | COPPER ALLOY 952 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 |
|---|---|
| MB15-9071-MR-385 5IN PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| MB15-9071-MR-385 5IN | Gulf Valve Co (USA) |
| MB15-CS-R,MB159071MR385 5IN | Emerson Automation Solutions Final Control Us Lp (USA) |
NSN 4820-01-495-7537 is a Valve,check, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-495-7537 has 3 manufacturer part numbers on file: MB15-9071-MR-385 5IN (Emerson Automation Solutions Final Control Us Lp), MB15-9071-MR-385 5IN (Gulf Valve Co), MB15-CS-R,MB159071MR385 5IN (Emerson Automation Solutions Final Control Us Lp).
Key specifications for MB15-9071-MR-385 5IN: Connection Style: PLAIN (PIPE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: UNTHREADED CARTRIDGE ALL ENDS; Style Designator: STRAIGHT THRU. 7 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.