The Valve,check, cataloged under National Stock Number 4820-00-060-3204, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-060-3204 |
| Primary Part Number | 2C5858 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crissair Inc Div Esco Technologies |
| Status | CANCELLED |
| Flow Control Device | POPPET |
| Maximum Operating Temp | 275.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Connection Style | FLARED (TUBE) FIRST END |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | ALUMINUM ALLOY BODY |
| Seat Angle | 37.0 DEGREES SECOND END |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL COMP 440A FLOW CONTROL DEVICE A |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | ANODIZE |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Thread Quantity Per Inch | 18 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Material | ALUMINUM ALLOY SEAT |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Thread Class | 3A SECOND END A |
| Disk Loading Method | SPRING |
| Connection Style | FLARED (TUBE) SECOND END |
| Maximum Operating Temp | -65.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Thread Direction | RIGHT-HAND FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Series Designator | UNF SECOND END |
| Thread Series Designator | UNF FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12710 | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA) |
| 108T483 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 2C5858 PRIMARY | Crissair Inc Div Esco Technologies (USA) |
| 108T483 | Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
| 108T483 | Westinghouse Electric Corp (USA) |
NSN 4820-00-060-3204 is a Valve,check, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-060-3204 has 5 cross-referenced part numbers: 12710 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon), 108T483 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 2C5858 (Crissair Inc Div Esco Technologies), 108T483 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), 108T483 (Westinghouse Electric Corp).
There are 12 known substitutes for 4820-00-060-3204: 6210-00-176-6074, 3120-00-203-4016, 3455-00-240-7313 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2C5858: Flow Control Device: POPPET; Maximum Operating Temp: 275.0 FAHRENHEIT SECOND RESPONSE DEGF; Valve Operation Method: AUTOMATIC; Connection Style: FLARED (TUBE) FIRST END. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-060-3204 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.