The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-2564, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 20 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 | 4820-01-127-2564 |
| Primary Part Number | 8031 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Connection Style | SOCKET ALL ENDS |
| Flow Control Device | DISK |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY SEAT |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Bonnet Type | INSIDE SPRING |
| Adjustable Pressure Range | +91.0 TO 105.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | COPPER ALLOY BODY |
| Style Designator | ANGLE |
| Material | STEEL COMP 316 STEM |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8031 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8031M41B PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| S4824H3210024 | Naval Ship Systems Command (USA) |
NSN 4820-01-127-2564 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-127-2564 has 3 cross-referenced part numbers: 8031 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8031M41B (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), S4824H3210024 (Naval Ship Systems Command).
There are 12 known substitutes for 4820-01-127-2564: 5998-00-072-7108, 3455-00-243-2178, 5935-00-243-7971 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8031: Connection Style: SOCKET ALL ENDS; Flow Control Device: DISK; Material Document and Classification: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY; Bonnet Attachment Method: BOLTED. 20 total characteristics are documented in the Federal Logistics Information System.