The Valve,ball, cataloged under National Stock Number 4820-00-980-0004, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-980-0004 |
| Primary Part Number | SS845-2109832ASSYRAL1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 6.000 INCHES FIRST END IN |
| Connection Style | BEVELED (PIPE) FIRST END |
| Criticality Code Justification | ZZZY |
| Connection Type | BUTT WELD PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY 964 BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| SS845-2109832ASSYRAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 4384681-P150032L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 810-4384681-AL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-341X1 ASSYRAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 803-4384681-AL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-2109832 ASSYRAL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-341X1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 810-4384681-A | 3/1 Design control — primary reference Naval Sea Systems Command |
| 4384681-P150032 | 5/1 Secondary reference U.S. Government activity |
| 2640-341X1 | 5/1 Secondary reference U.S. Government activity |
| 2640-341X1 ASSYRA | 5/1 Secondary reference U.S. Government activity |
| SS845-2109832ASSYRA | 5/1 Secondary reference U.S. Government activity |
| 845-2109832 ASSYRA | 5/1 Secondary reference U.S. Government activity |
| 803-4384681-A | 5/1 Secondary reference U.S. Government activity |
NSN 4820-00-980-0004 is a Valve,ball, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-980-0004 has 7 manufacturer part numbers on file: SS845-2109832ASSYRAL1 (Naval Inventory Control Point Mechanicsburg), 4384681-P150032L1 (Naval Inventory Control Point Mechanicsburg), 810-4384681-AL1 (Naval Inventory Control Point Mechanicsburg), 2640-341X1 ASSYRAL1 (Naval Inventory Control Point Mechanicsburg), 803-4384681-AL1 (Naval Inventory Control Point Mechanicsburg) and 2 more.
Key specifications for SS845-2109832ASSYRAL1: Nominal Pipe Size Accommodated: 6.000 INCHES FIRST END IN; Connection Style: BEVELED (PIPE) FIRST END; Criticality Code Justification: ZZZY; Connection Type: BUTT WELD PIPE FIRST END. 10 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 4820-00-980-0004 has DEMIL Code B. 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.