The Valve,ball, cataloged under National Stock Number 4820-01-348-4276, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-348-4276 |
| Primary Part Number | SS-44VS6-K |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material | STEEL COMP 316 BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 110250267 FIND 12 | Bird-Johnson Propeller Company, Llc (USA) |
| P-2-2-1 | Bird-Johnson Propeller Company, Llc (USA) |
| SS-44VS6-K PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-44VHS6-K | 5/9 Secondary reference Swagelok Co |
| SS-44VH56-K | 5/9 Secondary reference Whitey Co |
| SS-44VH56-K | 5/9 Secondary reference Swagelok Co |
NSN 4820-01-348-4276 is a Valve,ball, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-348-4276 has 3 manufacturer part numbers on file: 110250267 FIND 12 (Bird-Johnson Propeller Company, Llc), P-2-2-1 (Bird-Johnson Propeller Company, Llc), SS-44VS6-K (Swagelok Co).
2 possible matches (shared part number, not a government interchangeability claim): 5970-01-534-7044, 1005-01-631-6561. Verify interchangeability with system specifications before substitution.
Key specifications for SS-44VS6-K: Style Designator: STRAIGHT THRU; Special Features: TRIP-PROOF HANDLE; Material: STEEL COMP 316 BODY; Valve Operation Method: MANUAL. 3 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.