The Parts Kit,globe Valve, cataloged under National Stock Number 4820-01-440-6677, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-440-6677 |
| Primary Part Number | PFA-91K-18-SC11 |
| Item Name | Parts Kit,globe Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Component Quantity | 3 |
| Nonsupply Items and Quantities | PACKING,PREFORMED 1, SPRING 1, LUBRICATION TUBE 1 |
| 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 |
|---|---|
| PFA-91K-18-W1 | Dibert Valve & Fitting Co Inc (USA) |
| PFA-91K-18-SC11 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| PFA-91K-18-W1 | 5/9 Secondary reference Whitey Co |
| PFA-91K-18-W1 | 5/9 Secondary reference Swagelok Co |
| KIT-B-18VF8 | C/1 Advisory reference — outside the item-of-supply concept Whitey Co |
NSN 4820-01-440-6677 is a Parts Kit,globe Valve, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-6677 has 2 manufacturer part numbers on file: PFA-91K-18-W1 (Dibert Valve & Fitting Co Inc), PFA-91K-18-SC11 (Swagelok Co).
Key specifications for PFA-91K-18-SC11: Component Quantity: 3; Nonsupply Items and Quantities: PACKING,PREFORMED 1, SPRING 1, LUBRICATION TUBE 1; Special Features: AN ITEM THAT REQUIRES SPECIAL CLEANING AND PACKAGING FOR OXYGEN/NITROGEN SERVICE; End Item Identification: DIVERS LIFE SUPPORT SYSTEM. 2 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.