The Valve,check, cataloged under National Stock Number 4820-01-505-4635, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Valve Services Div of Crane Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-505-4635 |
| Primary Part Number | 10G15BPP-72 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Valve Services Div of Crane Co |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 10.000 INCHES ALL ENDS IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Minimum Operating Temp | -450.0 FAHRENHEIT DEGF |
| Connection Type | UNTHREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTM B148 ALLOY 952 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 10.000 INCHES IN |
| Maximum Operating Temp | 1000.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Face to Face Distance | 9.750 INCHES IN |
| 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 |
|---|---|
| 10G15BPP-72 PRIMARY | Crane Valve Services Div of Crane Co (USA) |
| CT30285-1 ASSY 10G15BPP-72 | Crane Valve Services Div of Crane Co (USA) |
NSN 4820-01-505-4635 is a Valve,check, manufactured by Crane Valve Services Div of Crane Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-505-4635 has 2 manufacturer part numbers on file: 10G15BPP-72 (Crane Valve Services Div of Crane Co), CT30285-1 ASSY 10G15BPP-72 (Crane Valve Services Div of Crane Co).
Key specifications for 10G15BPP-72: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 10.000 INCHES ALL ENDS IN; Connection Style: PLAIN (PIPE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL. 14 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.