The Seat,valve, cataloged under National Stock Number 4820-00-412-3607, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-412-3607 |
| Primary Part Number | 51170-F-760 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Flange Diameter | 1.588 INCHES MINIMUM AND 1.598 INCHES MAXIMUM IN |
| Thread Length | 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 1.064 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN |
| Nominal Thread Size | 1.438 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.469 INCHES NOMINAL IN |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 20 SINGLE THREADED PORTION |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 51170-F-760 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 51170F | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 7412-G-751 | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| N-5067 | 5/9 Secondary reference Zaza Enterprises Inc |
NSN 4820-00-412-3607 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-412-3607 has 1 manufacturer part number on file: 51170-F-760 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 51170-F-760: Flange Diameter: 1.588 INCHES MINIMUM AND 1.598 INCHES MAXIMUM IN; Thread Length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED; Body Inside Diameter: 1.064 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN. 12 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.