The Valve,ball, cataloged under National Stock Number 4820-01-337-4523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kf Industries Dba Contromatics. Government technical data includes 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-337-4523 |
| Primary Part Number | 1/4IN S8000-SS |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kf Industries Dba Contromatics |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, FLARE(TUBE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Thread Quantity Per Inch | 18 ALL ENDS |
| 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 |
|---|---|
| 1/4IN S8000-SS PRIMARY | Kf Industries Dba Contromatics (USA) |
| Reference | Meaning |
|---|---|
| 0397681 | 5/9 Secondary reference Webster Valve Co |
| 13221E8271-7 | 5/9 Secondary reference U.S. Government activity |
| 1/4-M-5000VTLL | 5/9 Secondary reference Webster Valve Co |
| 1/4-M-8000LL | 5/9 Secondary reference Watts Regulator Company |
| 1/4-M-5000LL | 5/9 Secondary reference Watts Regulator Company |
NSN 4820-01-337-4523 is a Valve,ball, manufactured by Kf Industries Dba Contromatics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-337-4523 has 1 manufacturer part number on file: 1/4IN S8000-SS (Kf Industries Dba Contromatics).
Key specifications for 1/4IN S8000-SS: Connection Style: SWIVEL NUT, FLARE(TUBE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN. 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.
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.