The Valve,globe, cataloged under National Stock Number 4820-00-989-5049, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-989-5049 |
| Primary Part Number | B5-2880B1-4IN |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | THREADED |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Connection Style | SOCKET FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B5-2880B1-4IN PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| B5-2880-5525W1 1-4IN | 5/9 Secondary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
NSN 4820-00-989-5049 is a Valve,globe, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-989-5049 has 1 manufacturer part number on file: B5-2880B1-4IN (Ashcroft Inc Dba Heise).
Key specifications for B5-2880B1-4IN: Flow Control Device: DISK; Renewable Seat Ring Type: THREADED; Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN; Connection Style: SOCKET FIRST END. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.