The Disk,valve, cataloged under National Stock Number 4820-01-137-5467, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Atlas Copco Holyoke Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-137-5467 |
| Primary Part Number | PLG00075 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Atlas Copco Holyoke Inc |
| Status | ACTIVE |
| Shank Diameter | 0.252 INCHES NOMINAL IN |
| Flange Diameter | 0.410 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| PLG00075 PRIMARY | Atlas Copco Holyoke Inc (USA) |
| PLG-75 | Atlas Copco Holyoke Inc (USA) |
| Reference | Meaning |
|---|---|
| HL-21145PC38 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
| PLG-75 | 5/9 Secondary reference U.S. Government activity |
| HL-21145PC38 | 5/9 Secondary reference U.S. Government activity |
| PLG-75 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| PLG-75 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
| HL-21145 | D/9 Drawing number reference only U.S. Government activity |
| PL20944BPIECE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-137-5467 is a Disk,valve, manufactured by Atlas Copco Holyoke Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-137-5467 has 2 manufacturer part numbers on file: PLG00075 (Atlas Copco Holyoke Inc), PLG-75 (Atlas Copco Holyoke Inc).
Key specifications for PLG00075: Shank Diameter: 0.252 INCHES NOMINAL IN; Flange Diameter: 0.410 INCHES NOMINAL IN; Overall Height: 1.130 INCHES NOMINAL IN; Style Designator: POPPET. 4 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.