The Valve,float, cataloged under National Stock Number 4820-00-306-1366, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-306-1366 |
| Primary Part Number | U520-130031-0000 |
| Item Name | Valve,float |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| U520-130031-0000 PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| B520-130031-0000 PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| Reference | Meaning |
|---|---|
| BLA399 | 5/9 Secondary reference Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
NSN 4820-00-306-1366 is a Valve,float, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-306-1366 has 2 manufacturer part numbers on file: U520-130031-0000 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), B520-130031-0000 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-310-6496. Verify interchangeability with system specifications before substitution.
Key specifications for U520-130031-0000: Flow Control Device: BALL; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE. 10 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.