The Seat,valve, cataloged under National Stock Number 4820-00-420-3145, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-420-3145 |
| Primary Part Number | 140429 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Body Inside Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Seating Surface Shape | ANGULAR |
| Material | COPPER OVERALL |
| Flange Diameter | 1.250 INCHES NOMINAL IN |
| Under Flange Height | 0.344 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.156 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.000 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 187940PC261 | Ingersoll Rand Co (USA) |
| 186942PC215 | Ingersoll Rand Co (USA) |
| 169720PC261 | Ingersoll Rand Co (USA) |
| 185822PC221 | Ingersoll Rand Co (USA) |
| 184668PC215 | Ingersoll Rand Co (USA) |
| 185414PC388 | Ingersoll Rand Co (USA) |
| 184367PC261 | Ingersoll Rand Co (USA) |
| 186591PC261 | Ingersoll Rand Co (USA) |
| 189129PC221 | Ingersoll Rand Co (USA) |
| 185731PC261 | Ingersoll Rand Co (USA) |
| 184428PC215 | Ingersoll Rand Co (USA) |
| 166433PC215 | Ingersoll Rand Co (USA) |
| 188201PC215 | Ingersoll Rand Co (USA) |
| 185464PC215 | Ingersoll Rand Co (USA) |
| 184373PC261 | Ingersoll Rand Co (USA) |
| 185471PC215 | Ingersoll Rand Co (USA) |
| 187941PC261 | Ingersoll Rand Co (USA) |
| 169775PC261 | Ingersoll Rand Co (USA) |
| 185755PC221 | Ingersoll Rand Co (USA) |
| 188406PC388 | Ingersoll Rand Co (USA) |
NSN 4820-00-420-3145 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-420-3145 has 50 cross-referenced part numbers: 187940PC261 (Ingersoll Rand Co), 186942PC215 (Ingersoll Rand Co), 169720PC261 (Ingersoll Rand Co), 185822PC221 (Ingersoll Rand Co), 184668PC215 (Ingersoll Rand Co) and 45 more.
There is 1 known substitute for 4820-00-420-3145: 5345-01-422-9023. Verify interchangeability with system specifications before substitution.
Key specifications for 140429: Body Outside Diameter: 1.000 INCHES NOMINAL IN; Body Inside Diameter: 0.625 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED; Seating Surface Shape: ANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.