The Valve,ball, cataloged under National Stock Number 4820-01-606-8689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Conbraco Industries Inc. Government technical data includes 12 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-606-8689 |
| Primary Part Number | 71-501-01 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Conbraco Industries Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | A276-316 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | B584-C84400 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.250 INCHES IN |
| Face to Face Distance | 2.06 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 1.03 INCHES IN |
| Material | COPPER ALLOY 844 BODY |
| Material | STEEL COMP 316 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| 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 |
|---|---|
| 71-501-01 PRIMARY | Conbraco Industries Inc (USA) |
NSN 4820-01-606-8689 is a Valve,ball, manufactured by Conbraco Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-606-8689 has 1 manufacturer part number on file: 71-501-01 (Conbraco Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-714-9963. Verify interchangeability with system specifications before substitution.
Key specifications for 71-501-01: Style Designator: STRAIGHT THRU; Material Document and Classification: A276-316 ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: B584-C84400 ASSN STD SINGLE MATERIAL RESPONSE BODY; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 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.