The Valve,safety Relief, cataloged under National Stock Number 4820-00-632-0956, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-632-0956 |
| Primary Part Number | P228 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | CANCELLED |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Surface Treatment | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | ALUMINUM ALLOY 2024 BODY |
| Adjustable Pressure Range | +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7512513P1 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
| 7512513P1 | General Electric Company (USA) |
| 2D80 | Allen Aircraft Products Inc (USA) |
| 1488236 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 75125113P1 | General Electric Company (USA) |
| 549100-1 | Grimes Aerospace Company (USA) |
| P228 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 1488236 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 75125113P1 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
| 7512513P0001 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
NSN 4820-00-632-0956 is a Valve,safety Relief, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-632-0956 has 10 cross-referenced part numbers: 7512513P1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 7512513P1 (General Electric Company), 2D80 (Allen Aircraft Products Inc), 1488236 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 75125113P1 (General Electric Company) and 5 more.
There are 4 known substitutes for 4820-00-632-0956: 3130-00-116-9044, 3110-00-156-3412, 4320-00-978-9630 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for P228: Connection Style: PLAIN (TUBE) ALL ENDS; Surface Treatment: ANODIZE LOCATION NOT OTHERWISE SPECIFIED; Valve Operation Method: MANUAL; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-632-0956 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.