The Valve,gate, cataloged under National Stock Number 4820-01-346-4439, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-346-4439 |
| Primary Part Number | 88319-12 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 3.000 INCHES IN |
| Stem Type | RISING |
| Connection Type | BUTT WELD PIPE |
| Valve Size | 3.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Pressure Class | ERR-060 |
| 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 |
|---|---|
| 88319-12 PRIMARY | Velan Valve Corp. (USA) |
| B10-1054B-02TSG | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| B10-1054B-02TS | 3/9 Design control — primary reference Velan Valve Corp. |
| B10-1055B-02TSG | 5/9 Secondary reference Velan Valve Corp. |
| B10-1055B-02YSG | 5/9 Secondary reference Velan Valve Corp. |
NSN 4820-01-346-4439 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-346-4439 has 2 manufacturer part numbers on file: 88319-12 (Velan Valve Corp.), B10-1054B-02TSG (Velan Valve Corp.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-464-2626. Verify interchangeability with system specifications before substitution.
Key specifications for 88319-12: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 3.000 INCHES IN; Stem Type: RISING; Connection Type: BUTT WELD PIPE. 13 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.