The Valve,gate, cataloged under National Stock Number 4820-01-273-7644, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-273-7644 |
| Primary Part Number | 83309-31CD51378810-00648-02TS |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Connection Type | BUTT WELD TUBE |
| Bonnet Attachment Method | BOLTED |
| Inlet Relationship with Outlet | IDENTICAL |
| Valve Operation Method | MANUAL |
| Nominal Outside Diameter Tube Accommodated | 4.000 INCHES IN |
| Material | STEEL SEAT |
| Stem Type | RISING |
| Material | STEEL DISK |
| Material | STEEL BODY |
| Material | STEEL STEM |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Valve Size | 4.000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 83309-31CD51378810-00648-02TS PRIMARY | Velan Valve Corp. (USA) |
| 83309-31 | Velan Valve Corp. (USA) |
NSN 4820-01-273-7644 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-273-7644 has 2 cross-referenced part numbers: 83309-31CD51378810-00648-02TS (Velan Valve Corp.), 83309-31 (Velan Valve Corp.).
There are 4 known substitutes for 4820-01-273-7644: 4820-01-143-5741, 4820-01-289-1733, 4820-01-289-8351 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 83309-31CD51378810-00648-02TS: Connection Type: BUTT WELD TUBE; Bonnet Attachment Method: BOLTED; Inlet Relationship with Outlet: IDENTICAL; Valve Operation Method: MANUAL. 12 total characteristics are documented in the Federal Logistics Information System.