The Valve,stop-Check, cataloged under National Stock Number 4820-01-469-5772, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-469-5772 |
| Primary Part Number | B10-1084C-13MS |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Nominal Pipe Size Accommodated | 3.000 INCHES ALL ENDS IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A182, TY 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A182, TY 316 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A351, GR CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A479, TY 316 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | MIL-P-24583, TY 1, CL 3, GR 1 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-P-24503, TY 2, CL 1, GR 1 MIL SPEC 1ST MATERIAL RESPONSE PACKING |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Material | STEEL COMP 316 SEAT |
| Material | STEEL COMP 316 STEM |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Material | GRAPHITE PACKING |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| 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 |
|---|---|
| P2-41565-G01 ITEM 07 | Velan Valve Corp. (USA) |
| B10-1084C-13MS PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 7490-702 | D/9 Drawing number reference only Velan Valve Corp. |
| P2-41565-G01 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 4820-01-469-5772 is a Valve,stop-Check, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-469-5772 has 2 manufacturer part numbers on file: P2-41565-G01 ITEM 07 (Velan Valve Corp.), B10-1084C-13MS (Velan Valve Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-473-2448, 4820-01-493-2492. Verify interchangeability with system specifications before substitution.
Key specifications for B10-1084C-13MS: Flow Control Device: DISK; Furnished Items and Quantity: 1 HANDWHEEL; Nominal Pipe Size Accommodated: 3.000 INCHES ALL ENDS IN; Connection Style: BEVELED (PIPE) ALL ENDS. 22 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.