The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-3601, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-130-3601 |
| Primary Part Number | 8729DM91M |
| 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 |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Bonnet Type | INSIDE SPRING |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Connection Style | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY SEAT |
| Media for Which Designed | WATER, SALT SECOND RESPONSE |
| Material | STEEL COMP 316 STEM |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | QQ-B-637,COMP 3 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Bonnet Attachment Method | BOLTED |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Disk Loading Method | SPRING |
| Media for Which Designed | OIL FIRST RESPONSE |
| Style Designator | ANGLE |
| Material | COPPER ALLOY BODY |
| Adjustable Pressure Range | +31.0 TO 50.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8729 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8729DM91M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8729 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8729DM91M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-130-3601 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 4820-01-130-3601 has 4 cross-referenced part numbers: 8729 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8729DM91M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8729 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8729DM91M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 4 known substitutes for 4820-01-130-3601: 5930-00-884-0762, 6145-01-347-4113, 6515-01-565-6262 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8729DM91M: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Bonnet Type: INSIDE SPRING; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material Document and Classification: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY. 22 total characteristics are documented in the Federal Logistics Information System.