The Valve,check, cataloged under National Stock Number 4820-01-058-5619, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-058-5619 |
| Primary Part Number | 1C1092 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crissair Inc Div Esco Technologies |
| Status | ACTIVE |
| Seat Angle | 37.0 DEGREES FIRST END |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Class | 3A ALL ENDS A |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 209-076-655-5 | Bell Textron Inc (USA) |
| 3469-8 | Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA) |
| 10-2584-8 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 3469-8 | Kaiser Fluid Technologies Inc. (USA) |
| 209-076-655 | Bell Textron Inc (USA) |
| 1C1092 PRIMARY | Crissair Inc Div Esco Technologies (USA) |
NSN 4820-01-058-5619 is a Valve,check, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-058-5619 has 6 cross-referenced part numbers: 209-076-655-5 (Bell Textron Inc), 3469-8 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 10-2584-8 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 3469-8 (Kaiser Fluid Technologies Inc.), 209-076-655 (Bell Textron Inc) and 1 more.
There are 9 known substitutes for 4820-01-058-5619: 5120-00-340-2010, 5950-00-534-3181, 5342-00-671-7802 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1C1092: Seat Angle: 37.0 DEGREES FIRST END; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Class: 3A ALL ENDS A; Style Designator: STRAIGHT THRU. 13 total characteristics are documented in the Federal Logistics Information System.