The Valve,gate, cataloged under National Stock Number 4810-01-163-9980, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-163-9980 |
| Primary Part Number | 1523N 8/M81551 |
| Item Name | Valve,gate |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 2.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 7.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 7.500 INCHES IN |
| Material | STEEL BODY |
| Material | STEEL DISK |
| Material | STEEL SEAT |
| 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 |
|---|---|
| 81551 AND 056574 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 1523N 8/M81551 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 056574 | D/9 Drawing number reference only William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 4810-01-163-9980 is a Valve,gate, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-163-9980 has 2 manufacturer part numbers on file: 81551 AND 056574 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 1523N 8/M81551 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
Key specifications for 1523N 8/M81551: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: NONRISING; Connection Type: FLANGE, ROUND W/HOLES. 15 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.