The Disk,valve, cataloged under National Stock Number 4820-01-400-3161, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hansome Energy Systems Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-400-3161 |
| Primary Part Number | 265342701 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Material Document and Classification | ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE |
| Media for Which Designed | AIR |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 265342701 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 2650-3210 | D/9 Drawing number reference only U.S. Government activity |
| 2650-3210 ITEM 57 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2650-3210 ITEM 57 | 5/9 Secondary reference U.S. Government activity |
| 2650-3427 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 265342701 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 265342701 | 5/9 Secondary reference U.S. Government activity |
| 2650-3427 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-400-3161 is a Disk,valve, manufactured by Hansome Energy Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-400-3161 has 1 manufacturer part number on file: 265342701 (Hansome Energy Systems Inc).
Key specifications for 265342701: Style Designator: PLAIN; Material Document and Classification: ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: BALANCE PE; Media for Which Designed: AIR. 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.