The Valve,ball, cataloged under National Stock Number 4810-01-340-4708, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-340-4708 |
| Primary Part Number | 803-4385051 ASSY B OR CL1 |
| Item Name | Valve,ball |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Connection Style | BEVELED (TUBE) ALL ENDS |
| Criticality Code Justification | ZZZY |
| Connection Type | BUTT WELD TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 10.000 INCHES ALL ENDS IN |
| Material | NICKEL ALLOY STEM |
| Material | PLASTIC ACETAL SEAT |
| Valve Operation Method | HYDRAULIC |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 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 |
|---|---|
| 803-4385051 ASSY B OR CL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 803-4385051 ASSY B OR C | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4810-01-340-4708 is a Valve,ball, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-340-4708 has 1 manufacturer part number on file: 803-4385051 ASSY B OR CL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 803-4385051 ASSY B OR CL1: Connection Style: BEVELED (TUBE) ALL ENDS; Criticality Code Justification: ZZZY; Connection Type: BUTT WELD TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 9 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 4810-01-340-4708 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.