The Valve,safety Relief, cataloged under National Stock Number 4820-01-498-9252, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-498-9252 |
| Primary Part Number | 2025601S0040 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Material Document and Classification | QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Bonnet Attachment Method | BOLTED |
| Material Document and Classification | QQ-N-281 CL A OR B ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL STEM |
| Valve Operation Method | AUTOMATIC |
| Bonnet Type | INSIDE SPRING |
| Material | NICKEL ALLOY BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20256H01S0040/CD17083 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2025601S0040 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20256 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-498-9252 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-498-9252 has 3 cross-referenced part numbers: 20256H01S0040/CD17083 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2025601S0040 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20256 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-498-9252: 3431-00-086-1180, 5310-00-223-3162, 1650-00-555-1423 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2025601S0040: Disk Loading Method: SPRING; Material Document and Classification: QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE SEAT; Material Document and Classification: QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE BODY; Bonnet Attachment Method: BOLTED. 13 total characteristics are documented in the Federal Logistics Information System.