The Valve,ball, cataloged under National Stock Number 4820-01-076-4528, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,ball |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Msi-Defence Systems Ltd (CAGE U7384); Bristol Fluid Systems Technologies Ltd (CAGE U5940); Swagelok Co (CAGE 3T9T9) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-076-4528 |
| Primary Part Number | B-65TF12 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 1144/6100.027 | Msi-Defence Systems Ltd (GBR) |
| B-65TF12 | Bristol Fluid Systems Technologies Ltd (GBR) |
| B-65TF12 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 1144/6100.027 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| 1144/6100.027 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| B-65TF12 | 5/9 Secondary reference Whitey Co |
| B-65F12 | 5/9 Secondary reference Whitey Co |
NSN 4820-01-076-4528 is a Valve,ball, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-076-4528 has 3 manufacturer part numbers on file: 1144/6100.027 (Msi-Defence Systems Ltd), B-65TF12 (Bristol Fluid Systems Technologies Ltd), B-65TF12 (Swagelok Co).
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.