The Valve,safety Relief, cataloged under National Stock Number 4820-00-301-5215, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Portsmouth Naval Shipyard. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-301-5215 |
| Primary Part Number | 1616-285PC88 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Portsmouth Naval Shipyard |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Flow Control Device | PISTON |
| Valve Operation Method | AUTOMATIC |
| Thread Series Designator | NPT ALL ENDS |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Material | COPPER ALLOY BODY |
| Style Designator | ANGLE |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Adjustable Pressure Range | +3.0 TO 15.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1616-285PC88 PRIMARY | Portsmouth Naval Shipyard (USA) |
| 490735PC88 PRIMARY | Naval Sea Systems Command (USA) |
| VB-2-AS | Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. (USA) |
| 306-88 | Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. (USA) |
| 2R306PC88 PRIMARY | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
| 490735PC88 | Naval Ship Systems Command (USA) |
NSN 4820-00-301-5215 is a Valve,safety Relief, manufactured by Portsmouth Naval Shipyard, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-301-5215 has 6 cross-referenced part numbers: 1616-285PC88 (Portsmouth Naval Shipyard), 490735PC88 (Naval Sea Systems Command), VB-2-AS (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.), 306-88 (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.), 2R306PC88 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots) and 1 more.
There are 6 known substitutes for 4820-00-301-5215: 5330-00-452-0615, 6515-00-458-8415, 5340-01-340-2624 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1616-285PC88: Disk Loading Method: SPRING; Flow Control Device: PISTON; Valve Operation Method: AUTOMATIC; Thread Series Designator: NPT ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.