The Valve,check, cataloged under National Stock Number 4820-01-667-6262, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-667-6262 |
| Primary Part Number | CCB-37000 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Face to Face Distance | 1.562 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | RUBBER SYNTHETIC PACKING |
| Material | COPPER ALLOY STEM |
| Thread Series Designator | ANPT SECOND END |
| 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 |
|---|---|
| CCB-37000 PRIMARY | Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co (USA) |
NSN 4820-01-667-6262 is a Valve,check, manufactured by Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-667-6262 has 1 manufacturer part number on file: CCB-37000 (Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co).
Key specifications for CCB-37000: Connection Type: THREADED INTERNAL PIPE SECOND END; Style Designator: STRAIGHT THRU FLANGED ENDS; Nominal Thread Size: 0.500 INCHES SECOND END IN; Face to Face Distance: 1.562 INCHES IN. 9 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.