The Disk,valve, cataloged under National Stock Number 4820-01-294-8814, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-294-8814 |
| Primary Part Number | 30121 PIECE 3 8IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | CANCELLED |
| Material | NICKEL ALLOY |
| Flange Seat to Disk End Height | 1.032 INCHES NOMINAL IN |
| Style Designator | SWING CHECK |
| Under Flange Height | 2.265 INCHES NOMINAL IN |
| Inside Diameter | 7.688 INCHES NOMINAL IN |
| Outside Diameter | 9.250 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 30121REVBPC3-8I | Crane Co Div Valve Div (USA) |
| 30121 | Crane Co Div Valve Div (USA) |
| 803-1385637 PIECE 4 8.00IN | Naval Sea Systems Command (USA) |
| 803-1385637 | Naval Ship Systems Command (USA) |
| 30121 PIECE 3 8IN PRIMARY | Crane Co Div Valve Div (USA) |
| 803-1385637 PIECE 17 8.00IN PRIMARY | Naval Ship Systems Command (USA) |
NSN 4820-01-294-8814 is a Disk,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-294-8814 has 6 cross-referenced part numbers: 30121REVBPC3-8I (Crane Co Div Valve Div), 30121 (Crane Co Div Valve Div), 803-1385637 PIECE 4 8.00IN (Naval Sea Systems Command), 803-1385637 (Naval Ship Systems Command), 30121 PIECE 3 8IN (Crane Co Div Valve Div) and 1 more.
There are 12 known substitutes for 4820-01-294-8814: 5930-00-823-0573, 3040-01-004-4352, 5920-01-041-9168 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 30121 PIECE 3 8IN: Material: NICKEL ALLOY; Flange Seat to Disk End Height: 1.032 INCHES NOMINAL IN; Style Designator: SWING CHECK; Under Flange Height: 2.265 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-294-8814 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.