The Seat,valve, cataloged under National Stock Number 4820-00-383-4531, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609. Government technical data includes 7 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-383-4531 |
| Primary Part Number | C721 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 |
| Status | ACTIVE |
| Body Inside Diameter | 2.500 INCHES NOMINAL IN |
| Material | IRON OVERALL |
| Seating Surface Shape | RADIAL |
| Style Designator | PLAIN |
| Body Outside Diameter | 3.468 INCHES NOMINAL IN |
| Seat Radius | 0.437 INCHES NOMINAL IN |
| Seal Accommodation Type | BEADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-383-4531 is a Seat,valve, manufactured by Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-383-4531 has 2 cross-referenced part numbers: C721 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 15212 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609).
There are 7 known substitutes for 4820-00-383-4531: 6350-00-174-5231, 4820-00-288-6924, 5905-00-508-4821 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for C721: Body Inside Diameter: 2.500 INCHES NOMINAL IN; Material: IRON OVERALL; Seating Surface Shape: RADIAL; Style Designator: PLAIN. 8 total characteristics are documented in the Federal Logistics Information System.