The Seat,valve, cataloged under National Stock Number 4820-01-107-7181, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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 | 4820-01-107-7181 |
| Primary Part Number | 51163-F |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Thread Quantity Per Inch | 2O SINGLE THREADED PORTION |
| Thread Length | 0.395 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Nominal Thread Size | 1.375 INCHES SINGLE THREADED PORTION IN |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Material | STEEL CORROSION RESISTING OVERALL |
| Style Designator | THREADED FLANGED |
| Flange Diameter | 1.565 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.165 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| Under Flange Height | 0.395 INCHES NOMINAL IN |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 549-1 PIECE 4 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 51163-F PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 549-1 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 4820-01-107-7181 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-107-7181 has 3 cross-referenced part numbers: 549-1 PIECE 4 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 51163-F (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 549-1 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
There are 12 known substitutes for 4820-01-107-7181: 5330-00-118-3016, 5905-00-141-1168, 7510-00-144-9814 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51163-F: Thread Quantity Per Inch: 2O SINGLE THREADED PORTION; Thread Length: 0.395 INCHES NOMINAL SINGLE THREADED PORTION IN; Thread Class: 2A SINGLE THREADED PORTION A; Nominal Thread Size: 1.375 INCHES SINGLE THREADED PORTION IN. 13 total characteristics are documented in the Federal Logistics Information System.