The Seat,valve, cataloged under National Stock Number 4820-01-506-9682, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morrison Brothers Co Dba Morrison Brothers Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-506-9682 |
| Primary Part Number | 235RF-0315 2R |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morrison Brothers Co Dba Morrison Brothers Co |
| Status | ACTIVE |
| Body Outside Diameter | 6.436 INCHES MINIMUM AND 6.438 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Material Document and Classification | AISI TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 6.000 INCHES NOMINAL IN |
| Material | STEEL COMP 410 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 |
|---|---|
| 235RF-0315 2R PRIMARY | Morrison Brothers Co Dba Morrison Brothers Co (USA) |
| Reference | Meaning |
|---|---|
| B-5984-15 | D/9 Drawing number reference only Morrison Brothers Co Dba Morrison Brothers Co |
NSN 4820-01-506-9682 is a Seat,valve, manufactured by Morrison Brothers Co Dba Morrison Brothers Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-506-9682 has 1 manufacturer part number on file: 235RF-0315 2R (Morrison Brothers Co Dba Morrison Brothers Co).
Key specifications for 235RF-0315 2R: Overall Height: 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Body Outside Diameter: 6.436 INCHES MINIMUM AND 6.438 INCHES MAXIMUM IN; Style Designator: PLAIN; Material Document and Classification: AISI TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 6 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.