The Valve,ball, cataloged under National Stock Number 4820-00-103-0318, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Graco Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-103-0318 |
| Primary Part Number | 208-393 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Graco Inc. |
| Status | ACTIVE |
| Renewable Seat Ring Type | PRESSED-IN |
| Connection Style | INVERTED FLARE (PIPE) ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Seat Angle | 30.0 DEGREES ALL ENDS |
| Surface Treatment | NICKEL |
| Material | STEEL BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | PLASTIC POLYAMIDE NYLON SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 208-393 PRIMARY | Graco Inc. (USA) |
| Reference | Meaning |
|---|---|
| 202-338 | 5/9 Secondary reference Graco Inc. |
NSN 4820-00-103-0318 is a Valve,ball, manufactured by Graco Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-103-0318 has 1 manufacturer part number on file: 208-393 (Graco Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-010-1840, 5905-01-345-1390. Verify interchangeability with system specifications before substitution.
Key specifications for 208-393: Renewable Seat Ring Type: PRESSED-IN; Connection Style: INVERTED FLARE (PIPE) ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 13 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.