The Seat,valve, cataloged under National Stock Number 4820-00-313-3600, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 9 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 | 4820-00-313-3600 |
| Primary Part Number | 129992Y2 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| FSC Application Data | ACFT ENG R1820 |
| Body Outside Diameter | 3.593 INCHES MINIMUM AND 3.595 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY |
| Style Designator | PLAIN |
| Material Document and Classification | AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Body Inside Diameter | 2.939 INCHES MINIMUM AND 2.943 INCHES MAXIMUM IN |
| Material | STEEL BODY |
| Seat Angle in Deg | 45.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 129992Y2 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 4820-00-313-3600 is a Seat,valve, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-313-3600 has 1 manufacturer part number on file: 129992Y2 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 129992Y2: Overall Height: 0.548 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN; FSC Application Data: ACFT ENG R1820; Body Outside Diameter: 3.593 INCHES MINIMUM AND 3.595 INCHES MAXIMUM IN; Hardness Rating: 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY. 9 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.
NSN 4820-00-313-3600 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.