The Valve,gate, cataloged under National Stock Number 4820-00-287-3437, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-3437 |
| Primary Part Number | B12-7054P-02TS/8350-15C/88204967 |
| 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 | 4.000 INCHES IN |
| Stem Type | RISING |
| Connection Type | BUTT WELD PIPE |
| Material Document and Classification | A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 4.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nondefinitive Spec/std Data | D COMPOSITION |
| Bonnet Attachment Method | PRESSURE SEAL, RING TYPE |
| Pressure Class | ERR-060 |
| Material | COBALT ALLOY DISK |
| Material | COBALT ALLOY SEAT |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| B12-7054P-02TS/8350-15C/88204967 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| MILV18110 | 5/9 Secondary reference U.S. Government activity |
| 783-U 4IN | C/1 Advisory reference — outside the item-of-supply concept Crane Co Div Valve Div |
| MIL-DTL-18110 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-287-3437 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-287-3437 has 1 manufacturer part number on file: B12-7054P-02TS/8350-15C/88204967 (Velan Valve Corp.).
Key specifications for B12-7054P-02TS/8350-15C/88204967: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 4.000 INCHES IN; Stem Type: RISING; Connection Type: BUTT WELD PIPE. 16 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.