The Seat,valve, cataloged under National Stock Number 4820-01-117-0109, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-117-0109 |
| Primary Part Number | 938-A |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Flange Diameter | 1.120 INCHES NOMINAL IN |
| Body Inside Diameter | 0.880 INCHES NOMINAL IN |
| Under Flange Height | 0.238 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN FLANGED |
| Flange Seat to Disk End Height | 0.360 INCHES NOMINAL IN |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 938-A PRIMARY | Flowserve Inc (USA) |
| B-45528 PART 938-A | Flowserve Inc (USA) |
NSN 4820-01-117-0109 is a Seat,valve, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-117-0109 has 2 cross-referenced part numbers: 938-A (Flowserve Inc), B-45528 PART 938-A (Flowserve Inc).
There are 2 known substitutes for 4820-01-117-0109: 5940-00-235-7987, 6625-00-887-7741. Verify interchangeability with system specifications before substitution.
Key specifications for 938-A: Flange Diameter: 1.120 INCHES NOMINAL IN; Body Inside Diameter: 0.880 INCHES NOMINAL IN; Under Flange Height: 0.238 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.