The Valve,plug, cataloged under National Stock Number 4820-01-217-9834, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Olson Technologies. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-217-9834 |
| Primary Part Number | SK-129-D 1/2IN STYLE-E |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Olson Technologies |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Style | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Flow Style | THREE-WAY TWO PORT 180 DEGREE PLUG TURN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| SK-129-D 1/2IN STYLE-E PRIMARY | Olson Technologies (USA) |
| Reference | Meaning |
|---|---|
| SK-129-D 1/2IN STYLE-E | 5/9 Secondary reference Jenny Products, Inc |
| SK-129-D | D/9 Drawing number reference only Jenny Products, Inc |
NSN 4820-01-217-9834 is a Valve,plug, manufactured by Olson Technologies, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-217-9834 has 1 manufacturer part number on file: SK-129-D 1/2IN STYLE-E (Olson Technologies).
Key specifications for SK-129-D 1/2IN STYLE-E: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Style: STREAMLINED WITH ONE BRAZING RING ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Flow Style: THREE-WAY TWO PORT 180 DEGREE PLUG TURN. 6 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.