The Valve,check, cataloged under National Stock Number 4820-00-124-8890, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crissair Inc Div Esco Technologies. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-124-8890 |
| Primary Part Number | 2C8410-4 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crissair Inc Div Esco Technologies |
| Status | CANCELLED |
| Material | STEEL COMP 416 FLOW CONTROL DEVICE |
| Thread Class | 3A ALL ENDS A |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Surface Treatment | PASSIVATE |
| Seat Angle | 24.0 DEGREES ALL ENDS |
| Material | STEEL COMP 303 BODY |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Style Designator | TEE |
| Connection Style | FLARELESS ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK OR POPPET |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS70-912S04C | Airbus Deutschland Gmbh -Werk Bremen- (DEU) |
| K-912S-4C | Ausco Inc (USA) |
| SS70-912S4C | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SS70-912S04C | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 2C8410-4 PRIMARY | Crissair Inc Div Esco Technologies (USA) |
| SS70-912S4J PRIMARY | Crissair Inc Div Esco Technologies (USA) |
NSN 4820-00-124-8890 is a Valve,check, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-124-8890 has 6 cross-referenced part numbers: SS70-912S04C (Airbus Deutschland Gmbh -Werk Bremen-), K-912S-4C (Ausco Inc), SS70-912S4C (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS70-912S04C (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 2C8410-4 (Crissair Inc Div Esco Technologies) and 1 more.
There is 1 known substitute for 4820-00-124-8890: 4820-01-124-3687. Verify interchangeability with system specifications before substitution.
Key specifications for 2C8410-4: Material: STEEL COMP 416 FLOW CONTROL DEVICE; Thread Class: 3A ALL ENDS A; Thread Direction: RIGHT-HAND ALL ENDS; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-124-8890 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.