The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-296-6881, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alfa Laval Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-296-6881 |
| Primary Part Number | 984.35310.00 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Unable to Decode | UNABLE TO DECODE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 984.35310.00 PRIMARY | Alfa Laval Inc (USA) |
| 9843531000 | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 984.65001.05 ITEM 39 | 5/9 Secondary reference Alfa Laval Inc |
| 984.65001.05 | D/9 Drawing number reference only Alfa Laval Inc |
NSN 4820-01-296-6881 is a Valve,vacuum Breaking, manufactured by Alfa Laval Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-296-6881 has 2 manufacturer part numbers on file: 984.35310.00 (Alfa Laval Inc), 9843531000 (Alfa Laval Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-296-9346. Verify interchangeability with system specifications before substitution.
Key specifications for 984.35310.00: Unable to Decode: UNABLE TO DECODE; Material: COPPER ALLOY BODY. 2 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.