The Seat,valve, cataloged under National Stock Number 4820-00-918-0060, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-918-0060 |
| Primary Part Number | R9W243-113 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Flange Diameter | 0.740 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.682 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Seal Accommodation Type | GROOVED |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Under Flange Height | 0.162 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Seating Surface Shape | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R9W243-113 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
NSN 4820-00-918-0060 is a Seat,valve, manufactured by Falls Filtration Technologies, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-918-0060 has 1 manufacturer part number on file: R9W243-113 (Falls Filtration Technologies, Inc.).
Key specifications for R9W243-113: Flange Seat to Disk End Height: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN; Flange Diameter: 0.740 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.682 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.