The Stem,fluid Valve, cataloged under National Stock Number 4820-01-293-5164, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Co the. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-293-5164 |
| Primary Part Number | A-6683M PIECE 9 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairbanks Co the |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Size for Which Designed | 2.500 INCHES IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| FIG 246 PIECE 9 | Fairbanks Co the (USA) |
| A-6683M PIECE 9 PRIMARY | Fairbanks Co the (USA) |
| A-6683M-2 1/2IN-PC9 | Fairbanks Co the (USA) |
| Reference | Meaning |
|---|---|
| A-6683M | D/9 Drawing number reference only Fairbanks Co the |
NSN 4820-01-293-5164 is a Stem,fluid Valve, manufactured by Fairbanks Co the, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-293-5164 has 3 manufacturer part numbers on file: FIG 246 PIECE 9 (Fairbanks Co the), A-6683M PIECE 9 (Fairbanks Co the), A-6683M-2 1/2IN-PC9 (Fairbanks Co the).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-294-4408. Verify interchangeability with system specifications before substitution.
Key specifications for A-6683M PIECE 9: Valve Type for Which Designed: GATE; Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 2.500 INCHES IN; Material: NICKEL ALLOY. 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.