The Valve,check, cataloged under National Stock Number 4820-00-175-6238, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-175-6238 |
| Primary Part Number | P282 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ausco Inc |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Disk Loading Method | SPRING |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Seat Angle | 37.0 DEGREES FIRST END |
| Flow Control Device | POPPET |
| Thread Series Designator | UNF ALL ENDS |
| Thread Class | 2A ALL ENDS A |
| Valve Operation Method | AUTOMATIC |
| Surface Treatment | PASSIVATE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Style Designator | STRAIGHT THRU |
| Surface Treatment | PASSIVATE |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-175-6238 is a Valve,check, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-175-6238 has 3 cross-referenced part numbers: C2778 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), P282 (Ausco Inc), C2778-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).
There is 1 known substitute for 4820-00-175-6238: 2910-00-966-1791. Verify interchangeability with system specifications before substitution.
Key specifications for P282: Connection Type: THREADED EXTERNAL BOSS SECOND END; Disk Loading Method: SPRING; Connection Style: FLARED (TUBE) FIRST END; Nominal Thread Size: 0.438 INCHES SECOND END IN. 24 total characteristics are documented in the Federal Logistics Information System.