The Disk,valve, cataloged under National Stock Number 4810-01-278-8766, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Fairbanks Co the. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-278-8766 |
| Primary Part Number | A-6683M-6IN-PC2 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Fairbanks Co the |
| Status | ACTIVE |
| Style Designator | POPPET |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| 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 |
|---|---|
| A-6683M-6IN-PC2 PRIMARY | Fairbanks Co the (USA) |
| Reference | Meaning |
|---|---|
| A-6683M | D/9 Drawing number reference only Fairbanks Co the |
NSN 4810-01-278-8766 is a Disk,valve, manufactured by Fairbanks Co the, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-278-8766 has 1 manufacturer part number on file: A-6683M-6IN-PC2 (Fairbanks Co the).
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-293-2943, 4820-01-293-5164, 4810-01-294-4408. Verify interchangeability with system specifications before substitution.
Key specifications for A-6683M-6IN-PC2: Style Designator: POPPET; Material Document and Classification: ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE; Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405. 3 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.