The Valve,ball, cataloged under National Stock Number 4820-01-335-8079, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-335-8079 |
| Primary Part Number | 801-6404588 ASSEMBLY 98L1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Size | 0.500 INCHES IN |
| Maximum Operating Temp | 100.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| First Connection Face to Centerline Distance | 9.210 INCHES IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 801-6404588 ASSEMBLY 98L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DF330617 ASSEMBLY 98L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 14898985L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| DF330617 ASSEMBLY 98 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 801-6404588 ASSEMBLY 98 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 14898985 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-335-8079 is a Valve,ball, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-335-8079 has 3 manufacturer part numbers on file: 801-6404588 ASSEMBLY 98L1 (Naval Inventory Control Point Mechanicsburg), DF330617 ASSEMBLY 98L1 (Naval Inventory Control Point Mechanicsburg), 14898985L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 801-6404588 ASSEMBLY 98L1: Criticality Code Justification: ZZZY; Connection Type: FLANGE ALL ENDS; Style Designator: ANGLE FLANGED ENDS; Valve Size: 0.500 INCHES IN. 8 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 4820-01-335-8079 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.