The Seal Ring,labyrinth,aircraft Gas, cataloged under National Stock Number 2840-01-127-3193, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Williams International Co., L.l.c.. 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. 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 | 2840-01-127-3193 |
| Primary Part Number | 34985 |
| Item Name | Seal Ring,labyrinth,aircraft Gas |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Diameter | 1.919 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN |
| Engine Section Location | COMPRESSOR |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2840-01-127-3193 is a Seal Ring,labyrinth,aircraft Gas, manufactured by Williams International Co., L.l.c., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-127-3193 has 2 manufacturer part numbers on file: 34985 (Parts Life Inc), 34985 (Williams International Co., L.l.c.).
3 possible matches (shared part number, not a government interchangeability claim): 1430-01-215-7771, 5360-01-366-4801, 4910-01-469-1964. Verify interchangeability with system specifications before substitution.
Key specifications for 34985: Criticality Code Justification: AGAV; Diameter: 1.919 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN; Engine Section Location: COMPRESSOR; End Item Identification: ACFT ENG F107. 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.
NSN 2840-01-127-3193 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.