The Valve,check, cataloged under National Stock Number 4820-00-946-5482, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Airbus Deutschland Gmbh -Werk Bremen-. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-946-5482 |
| Primary Part Number | SS70-912K6C |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Airbus Deutschland Gmbh -Werk Bremen- |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | FLARELESS ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | TEE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Mounting Facility | BULKHEAD |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| SS70-912K6C | Airbus Deutschland Gmbh -Werk Bremen- (DEU) |
| SS70-912K6C | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SS70-912K6J | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 2C 7390-6J | 3/2 Design control — primary reference U.S. Government activity |
| SS70-912 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4820-00-946-5482 is a Valve,check, manufactured by Airbus Deutschland Gmbh -Werk Bremen-, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-946-5482 has 3 manufacturer part numbers on file: SS70-912K6C (Airbus Deutschland Gmbh -Werk Bremen-), SS70-912K6C (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS70-912K6J (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SS70-912K6C: Flow Control Device: DISK; Connection Style: FLARELESS ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 17 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.