The Valve,globe, cataloged under National Stock Number 4820-01-442-9407, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-442-9407 |
| Primary Part Number | F81D-1.50IN |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A582, 250 BHN HEAT TREATED ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A582, HEAT TREATED ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 1975.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM THIRD RESPONSE LBS |
| Operating Pressure | 460.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 715.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 100.0 FAHRENHEIT THIRD RESPONSE DEGF |
| Maximum Operating Temp | 850.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 900.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | STEEL COMP 416 STEM |
| Material | STEEL UNS K03504 BODY |
| Material | STEEL COMP 420 FLOW CONTROL DEVICE |
| 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 |
|---|---|
| F81D-1.50IN PRIMARY | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
| Reference | Meaning |
|---|---|
| FD81-1.50 | 5/9 Secondary reference U.S. Government activity |
| F81D-1.50IN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-442-9407 is a Valve,globe, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-442-9407 has 1 manufacturer part number on file: F81D-1.50IN (Aalberts Integrated Piping Systems Americas, Inc.).
Key specifications for F81D-1.50IN: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 22 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.