The Seat,valve, cataloged under National Stock Number 4820-00-623-8756, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-623-8756 |
| Primary Part Number | SMS-5119B |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.125 INCHES NOMINAL IN |
| Flange Diameter | 0.859 INCHES NOMINAL IN |
| Body Outside Diameter | 0.560 INCHES NOMINAL IN |
| Body Stepped Inside Diameter | 0.188 INCHES NOMINAL SECOND STEP IN |
| Body Stepped Inside Diameter | 0.370 INCHES NOMINAL THIRD STEP IN |
| Style Designator | PLAIN FLANGED |
| Under Flange Height | 0.500 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| SMS-5119B PRIMARY | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 3287223PC235 | 5/9 Secondary reference U.S. Government activity |
| 200110AFPC458 | 5/9 Secondary reference U.S. Government activity |
| 200103UPC235 | 5/9 Secondary reference U.S. Government activity |
| 5119B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 5119B | 5/9 Secondary reference U.S. Government activity |
| 200103UPC235 | 5/9 Secondary reference U.S. Government activity |
| 5119B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4820-00-623-8756 is a Seat,valve, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-623-8756 has 1 manufacturer part number on file: SMS-5119B (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc).
Key specifications for SMS-5119B: Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN; Flange Diameter: 0.859 INCHES NOMINAL IN; Body Outside Diameter: 0.560 INCHES NOMINAL IN; Body Stepped Inside Diameter: 0.188 INCHES NOMINAL SECOND STEP IN. 9 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.