The Seat,valve, cataloged under National Stock Number 4820-01-091-4684, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-091-4684 |
| Primary Part Number | A1909 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A1909 | Hunt Valve Company, Inc. (USA) |
| A1909 | Hunt Valve Company, Inc. (USA) |
| D-1994 PIECE 13 1IN | P J Valves Inc (USA) |
| D-1994 | P J Valves Inc (USA) |
| A1909 | P J Valves Inc (USA) |
NSN 4820-01-091-4684 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-091-4684 has 5 cross-referenced part numbers: A1909 (Hunt Valve Company, Inc.), A1909 (Hunt Valve Company, Inc.), D-1994 PIECE 13 1IN (P J Valves Inc), D-1994 (P J Valves Inc), A1909 (P J Valves Inc).
There are 12 known substitutes for 4820-01-091-4684: 5905-00-593-9354, 4820-01-091-6962, 4820-01-091-7996 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A1909: Seating Surface Shape: FLAT; Style Designator: PLAIN; Material: STEEL CORROSION RESISTING OVERALL; Body Inside Diameter: 1.000 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.