The Valve,ball, cataloged under National Stock Number 4820-01-449-3204, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-449-3204 |
| Primary Part Number | SS-83KS6 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | GROOVED INSIDE ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | AMS 3650 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A276, 316SS ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A276, 316SS ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A479, 316SS ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES ALL ENDS IN |
| Material | STEEL COMP 316 BODY |
| Material | PLASTIC SEAT |
| Material | STEEL COMP 316 STEM |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SS-83KS6 | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-83KS6 | 3/9 Design control — primary reference Whitey Co |
NSN 4820-01-449-3204 is a Valve,ball, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-449-3204 has 1 manufacturer part number on file: SS-83KS6 (Swagelok Co).
Key specifications for SS-83KS6: Connection Style: GROOVED INSIDE ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU; Material Document and Classification: AMS 3650 ASSN STD SINGLE MATERIAL RESPONSE SEAT. 13 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 4820-01-449-3204 has DEMIL Code B. 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.