The Seat,valve, cataloged under National Stock Number 4810-00-076-4100, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-076-4100 |
| Primary Part Number | 487452 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Flange Diameter | 2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM IN |
| FSC Application Data | HEATER,ENGINE FUEL SYSTEMAIRCRAFT |
| Body Outside Diameter | 1.730 INCHES MINIMUM AND 1.731 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.220 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| Under Flange Height | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 487452 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4810-00-076-4100 is a Seat,valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-076-4100 has 1 manufacturer part number on file: 487452 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 487452: Flange Seat to Disk End Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Flange Diameter: 2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM IN; FSC Application Data: HEATER,ENGINE FUEL SYSTEMAIRCRAFT; Body Outside Diameter: 1.730 INCHES MINIMUM AND 1.731 INCHES MAXIMUM IN. 10 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.