The Seat,valve, cataloged under National Stock Number 4820-00-766-1011, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-766-1011 |
| Primary Part Number | 470517PCLN6 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.386 INCHES NOMINAL IN |
| Flange Diameter | 1.750 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 1.012 INCHES NOMINAL IN |
| Nominal Thread Size | 1.500 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.675 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 18 SINGLE THREADED PORTION |
| Material | STEEL OVERALL |
| Seat Angle in Deg | 0.750 NOMINAL |
| Thread Series Designator | UNF 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 |
|---|---|
| 470517PCLN6 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 470516PC8 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 475451-1 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 470516PC8 | 5/9 Secondary reference Garrett Transportation I, Inc. |
| 470517PCLN6 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 470517PCLN6 | 5/9 Secondary reference Garrett Transportation I, Inc. |
| 475451-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 475451-1 | 3/9 Design control — primary reference Garrett Transportation I, Inc. |
| 470516PC8 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 4820-00-766-1011 is a Seat,valve, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-766-1011 has 3 manufacturer part numbers on file: 470517PCLN6 (Honeywell International Inc. Div Aerospace - Torrance), 470516PC8 (Honeywell International Inc. Div Aerospace - Torrance), 475451-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 470517PCLN6: Flange Seat to Disk End Height: 0.386 INCHES NOMINAL IN; Flange Diameter: 1.750 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED. 13 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.