The Seat,valve, cataloged under National Stock Number 4820-01-091-8053, 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 Dba Union Flonetics. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-091-8053 |
| Primary Part Number | A1907 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company Inc Dba Union Flonetics |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM BODY |
| Material | STEEL CORROSION RESISTING OVERALL |
| Body Inside Diameter | 2.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A1907 | Hunt Valve Company Inc Dba Union Flonetics (USA) |
| D-1994 | P J Valves Inc (USA) |
| A1907 | Hunt Valve Company, Inc. (USA) |
| D-1994 13 2IN | Hunt Valve Company Inc Dba Union Flonetics (USA) |
| D-1994 13 2IN | Hunt Valve Company, Inc. (USA) |
| D-1994 PIECE 13 2IN | P J Valves Inc (USA) |
| A1907 | P J Valves Inc (USA) |
NSN 4820-01-091-8053 is a Seat,valve, manufactured by Hunt Valve Company Inc Dba Union Flonetics, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-091-8053 has 7 cross-referenced part numbers: A1907 (Hunt Valve Company Inc Dba Union Flonetics), D-1994 (P J Valves Inc), A1907 (Hunt Valve Company, Inc.), D-1994 13 2IN (Hunt Valve Company Inc Dba Union Flonetics), D-1994 13 2IN (Hunt Valve Company, Inc.) and 2 more.
There are 12 known substitutes for 4820-01-091-8053: 4730-00-063-4814, 5998-00-106-2666, 3040-00-363-7278 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A1907: Seating Surface Shape: FLAT; Style Designator: PLAIN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM BODY; Material: STEEL CORROSION RESISTING OVERALL. 5 total characteristics are documented in the Federal Logistics Information System.