The Valve,ball, cataloged under National Stock Number 4820-01-667-3280, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-667-3280 |
| Primary Part Number | BA01A |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 1.000 INCHES IN |
| Material | BRONZE BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | NICKEL AND ALUMINUM AND BRONZE STEM |
| 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 |
|---|---|
| BA01 1 TABLE 7-62 PG 7-152 | Pyrogenesis Inc. (CAN) |
| BA01A PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| W6 2201000 REV 4 ITEM 35 | 5/9 Secondary reference Pyrogenesis Inc. |
NSN 4820-01-667-3280 is a Valve,ball, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-667-3280 has 2 manufacturer part numbers on file: BA01 1 TABLE 7-62 PG 7-152 (Pyrogenesis Inc.), BA01A (Defense Maritime Solutions, Inc.).
Key specifications for BA01A: Style Designator: STRAIGHT THRU FLANGED ENDS; Valve Size: 1.000 INCHES IN; Part Name Assigned by Controlling Agency: REDUCED BORE BALL VALVE; Material: BRONZE 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.