The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-676-7645, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-676-7645 |
| Primary Part Number | 845-8541972 ITEM 3 AND 4 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 845-8541972 ITEM 3 AND 4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2644-785-49 ITEM 3 AND 4 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-676-7645 is a Parts Kit,ball Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-676-7645 has 1 manufacturer part number on file: 845-8541972 ITEM 3 AND 4 (Naval Sea Systems Command).
Key specifications for 845-8541972 ITEM 3 AND 4: Special Features: KIT CONTAINS 1 EA OF ITEM 3 (BALL), 2 EA OF ITEM 4(SEAT); Part Name Assigned by Controlling Agency: PARTS KIT, BALL VALVE; End Item Identification: F/A-18. 0 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.
NSN 4820-01-676-7645 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.