The Valve,safety Relief, cataloged under National Stock Number 4820-01-184-4108, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 4820-01-184-4108 |
| Primary Part Number | 9871-011-41SS |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 7.500 INCHES ALL ENDS IN |
| Flow Control Device | DISKDISK |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Material | STEEL UNS J03002 BODY |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| First Connection Face to Centerline Distance | 7.000 INCHES IN |
| Second Connection Face to Centerline Distance | 7.000 INCHES IN |
| Material | STEEL COMP 303 STEM |
| Nominal Thickness | 0.938 INCHES ALL ENDS IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Diameter | 5.312 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 9.000 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +91.0 TO 115.0 POUNDS PER SQUARE INCH LBS |
| Bolt Hole Quantity | 8 ALL ENDS |
| Valve Size | 4.000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9871-011-41SS PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9871 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-184-4108 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 4820-01-184-4108 has 2 cross-referenced part numbers: 9871-011-41SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9871 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-184-4108: 5905-00-020-3008, 4820-00-127-8996, 3040-00-288-2655 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9871-011-41SS: Raised Face Nominal Height: 0.062 INCHES ALL ENDS IN; Bolt Circle Nominal Diameter: 7.500 INCHES ALL ENDS IN; Flow Control Device: DISKDISK; Bolt Hole Nominal Diameter: 0.750 INCHES ALL ENDS IN. 19 total characteristics are documented in the Federal Logistics Information System.