The Valve,gate, cataloged under National Stock Number 4820-01-072-8266, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 23 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-072-8266 |
| Primary Part Number | 3003-6IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM A-182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A-216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A-216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 6.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 12 |
| Flange Diameter | 12.500 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 15.875 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL UNS J03002 DISK |
| Material | STEEL SEAT |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL STEM |
| 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 |
|---|---|
| 3003-6IN PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5206F-6IN | 5/9 Secondary reference U.S. Government activity |
| SK-1959-55-6IN | 5/9 Secondary reference U.S. Government activity |
| 3012-6IN | 5/9 Secondary reference Lunkenheimer Co |
| 350-6IN | 3/2 Design control — primary reference U.S. Government activity |
| 30-OF-6IN | 3/2 Design control — primary reference U.S. Government activity |
| CS-302-U-6IN | 5/9 Secondary reference Nibco Inc |
| 1010-6IN | 5/9 Secondary reference Jenkins Bros |
| 3001-6IN | 5/9 Secondary reference U.S. Government activity |
| SK-1959-55 | D/9 Drawing number reference only U.S. Government activity |
| 3002-6IN | 5/9 Secondary reference Lunkenheimer Co |
NSN 4820-01-072-8266 is a Valve,gate, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-072-8266 has 1 manufacturer part number on file: 3003-6IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-130-6664. Verify interchangeability with system specifications before substitution.
Key specifications for 3003-6IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Maximum Operating Temp and Media for Which Designed: 850.0 FAHRENHEIT WATER-OIL-GAS DEGF. 23 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.