The Valve,ball, cataloged under National Stock Number 4820-01-441-2899, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-441-2899 |
| Primary Part Number | 7D8-05151 IT NO 4 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Nominal Pipe Size Accommodated | 1.250 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 7D8-05151 IT NO 4 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 7D5-04914 REV B IT NO 8 | Lake Shore Systems, Inc. (USA) |
| 7D8-05151 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1 1/4 H4466YV SW | 5/9 Secondary reference U.S. Government activity |
| 1 1/4"H466YV SW | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1 1/4 H4466YV SW | 5/9 Secondary reference Worcester Control (europe) Bv |
| 7D5-04914 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| 7D8-05151-4 | 5/9 Secondary reference U.S. Government activity |
| 7D5-04915 IT NO | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| 7D5-05151 IT NO | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 4820-01-441-2899 is a Valve,ball, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-441-2899 has 3 manufacturer part numbers on file: 7D8-05151 IT NO 4 (Lake Shore Systems, Inc.), 7D5-04914 REV B IT NO 8 (Lake Shore Systems, Inc.), 7D8-05151 (Lake Shore Systems, Inc.).
Key specifications for 7D8-05151 IT NO 4: Furnished Items and Quantity: 1 HANDLE; Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 7 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.