The Seat,valve, cataloged under National Stock Number 4820-01-300-9064, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-300-9064 |
| Primary Part Number | 30099 5IN PIECE 8 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.375 INCHES NOMINAL IN |
| Flange Diameter | 5.938 INCHES NOMINAL IN |
| Thread Length | 0.938 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Material Document and Classification | ASTM A351 GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Body Inside Diameter | 5.250 INCHES NOMINAL IN |
| Under Flange Height | 2.000 INCHES NOMINAL IN |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 11-1/2 SINGLE THREADED PORTION |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| 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 |
|---|---|
| 30099 5IN PIECE 8 PRIMARY | Crane Co Div Valve Div (USA) |
NSN 4820-01-300-9064 is a Seat,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-300-9064 has 1 manufacturer part number on file: 30099 5IN PIECE 8 (Crane Co Div Valve Div).
Key specifications for 30099 5IN PIECE 8: Flange Seat to Disk End Height: 0.375 INCHES NOMINAL IN; Flange Diameter: 5.938 INCHES NOMINAL IN; Thread Length: 0.938 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED. 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.