The Seat,valve, cataloged under National Stock Number 4820-01-308-1770, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 4820-01-308-1770 |
| Primary Part Number | 8994-8-2.5IN |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Material | NICKEL ALLOY SEAT |
| Style Designator | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8994 | William E Williams Valve Corp (USA) |
| 8994 PIECE NO. 8 | William E Williams Valve Corp (USA) |
| 8994-8-2.5IN PRIMARY | William E Williams Valve Corp (USA) |
NSN 4820-01-308-1770 is a Seat,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-308-1770 has 3 cross-referenced part numbers: 8994 (William E Williams Valve Corp), 8994 PIECE NO. 8 (William E Williams Valve Corp), 8994-8-2.5IN (William E Williams Valve Corp).
There are 7 known substitutes for 4820-01-308-1770: 5935-00-173-5721, 5360-00-291-5120, 5935-00-577-2484 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8994-8-2.5IN: Material: NICKEL ALLOY SEAT; Style Designator: PLAIN. 2 total characteristics are documented in the Federal Logistics Information System.