The Valve,reversing, cataloged under National Stock Number 4810-01-180-2011, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-180-2011 |
| Primary Part Number | 3203511-1 |
| Item Name | Valve,reversing |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL 316 VALVE BODY AND DISK;275 PSIG WOG;3.000 IN. SIZE;WAFER TRUNNION TYPE;PNEUMATIC ACTUATOR BODY CORROSION RESISTANT;OPERATING PRESSURE 60 PSIC;AIR ACTUATED PISTON SPRING RETURN;FURNISHED WITH STEEL CONNECTING BRACKET AND SHAFT COUPLER IN |
| 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 |
|---|---|
| 3203511-1 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| Reference | Meaning |
|---|---|
| 3203511 | D/9 Drawing number reference only Cosmodyne, Llc Dba Cosmodyne Llc |
NSN 4810-01-180-2011 is a Valve,reversing, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-180-2011 has 1 manufacturer part number on file: 3203511-1 (Cosmodyne, Llc Dba Cosmodyne Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-180-2012, 4820-01-187-9888. Verify interchangeability with system specifications before substitution.
Key specifications for 3203511-1: General Characteristics Item Description: STAINLESS STEEL 316 VALVE BODY AND DISK;275 PSIG WOG;3.000 IN. SIZE;WAFER TRUNNION TYPE;PNEUMATIC ACTUATOR BODY CORROSION RESISTANT;OPERATING PRESSURE 60 PSIC;AIR ACTUATED PISTON SPRING RETURN;FURNISHED WITH STEEL CONNECTING BRACKET AND SHAFT COUPLER IN. 1 specification is 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.