The Valve,ball, cataloged under National Stock Number 4820-01-678-5568, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us Inc. Div Flowserve Cookeville Valve Operation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-678-5568 |
| Primary Part Number | 40B186666TT150TA1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
| Status | ACTIVE |
| Valve Size | 4.000 INCHES IN |
| Material | STEEL STAINLESS - USE STB000 STEM |
| Material | STEEL STAINLESS - USE STB000 BODY |
| Material | PLASTIC TETRAFLUOROETHYLENE SEAT |
| Material | PLASTIC TETRAFLUOROETHYLENE PACKING |
| 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 |
|---|---|
| 40B186666TT150TA1 PRIMARY | Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (USA) |
| Reference | Meaning |
|---|---|
| SDM-1420-REV 2 | D/9 Drawing number reference only Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
| 40B1866T150TA15 | 5/9 Secondary reference Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
NSN 4820-01-678-5568 is a Valve,ball, manufactured by Flowserve Us Inc. Div Flowserve Cookeville Valve Operation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-678-5568 has 1 manufacturer part number on file: 40B186666TT150TA1 (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).
Key specifications for 40B186666TT150TA1: Valve Size: 4.000 INCHES IN; Part Name Assigned by Controlling Agency: RAISED FACE FLANGED BALL VALVE; Material: STEEL STAINLESS - USE STB000 STEM; Material: STEEL STAINLESS - USE STB000 BODY. 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.