The Valve,safety Relief, cataloged under National Stock Number 4820-00-652-5765, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Allen Aircraft Products Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 4820-00-652-5765 |
| Primary Part Number | 20P103-7 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Allen Aircraft Products Inc |
| Status | ACTIVE |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM ALLOY 2017 AND ALUMINUM ALLOY 2024 BODY |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material Document and Classification | QQ-A-225/5,ALLOY2017 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/6,ALLOY2024,T351 FED SPEC 2ND MATERIAL RESPONSE BODY |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Flow Control Device | PISTON |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-225/6,ALLOY2024,T351 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20P103-7 PRIMARY | Allen Aircraft Products Inc (USA) |
NSN 4820-00-652-5765 is a Valve,safety Relief, manufactured by Allen Aircraft Products Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-652-5765 has 1 cross-referenced part number: 20P103-7 (Allen Aircraft Products Inc).
There is 1 known substitute for 4820-00-652-5765: 5935-00-871-5052. Verify interchangeability with system specifications before substitution.
Key specifications for 20P103-7: Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Surface Treatment Document and Classification: MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Surface Treatment: ANODIZE LOCATION NOT OTHERWISE SPECIFIED; Material: ALUMINUM ALLOY 2017 AND ALUMINUM ALLOY 2024 BODY. 14 total characteristics are documented in the Federal Logistics Information System.