The Seat,valve, cataloged under National Stock Number 4810-01-078-4561, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-078-4561 |
| Primary Part Number | 5019B |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — No Item Name Available |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Style Designator | THREADED FLANGED |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Material | STEEL COMP 304 OVERALL |
| Thread Quantity Per Inch | 28 SINGLE THREADED PORTION |
| Body Inside Diameter | 0.166 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Criticality Code Justification | CQKM |
| Under Flange Height | 0.469 INCHES NOMINAL IN |
| Flange Diameter | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.281 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Flange Seat to Disk End Height | 0.156 INCHES NOMINAL IN |
| Nominal Thread Size | 0.750 INCHES SINGLE THREADED PORTION IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5019B PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
NSN 4810-01-078-4561 is a Seat,valve, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 4810 (No Item Name Available). Status: active.
NSN 4810-01-078-4561 has 1 cross-referenced part number: 5019B (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
There are 4 known substitutes for 4810-01-078-4561: 4310-00-623-8750, 5330-01-304-9505, 5999-01-310-8495 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5019B: Thread Class: 3A SINGLE THREADED PORTION A; Style Designator: THREADED FLANGED; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: UN SINGLE THREADED PORTION. 14 total characteristics are documented in the Federal Logistics Information System.