The Valve,gate, cataloged under National Stock Number 4820-01-181-8486, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-181-8486 |
| Primary Part Number | 3200562-1 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Operating Pressure and Type | 125.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.250 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 0.250 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY DISK |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| 3200562-1 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| Reference | Meaning |
|---|---|
| FIG500S | 5/9 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| 3200562 | D/9 Drawing number reference only Cosmodyne, Llc Dba Cosmodyne Llc |
NSN 4820-01-181-8486 is a Valve,gate, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-181-8486 has 1 manufacturer part number on file: 3200562-1 (Cosmodyne, Llc Dba Cosmodyne Llc).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-723-6828. Verify interchangeability with system specifications before substitution.
Key specifications for 3200562-1: Inlet Relationship with Outlet: IDENTICAL; Operating Pressure and Type: 125.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Stem Type: RISING; Connection Type: THREADED INTERNAL PIPE. 14 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.