The Seal,labyrinth, cataloged under National Stock Number 2840-01-127-3200, 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 1 specification, 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. 2 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 | 2840-01-127-3200 |
| Primary Part Number | 34633 |
| Item Name | Seal,labyrinth |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| General Characteristics Item Description | 3.237 MIN IN. 3.285 MAX IN. OD 1ST END,1.740 MIN IN. 1.750 MAX IN. OD 2ND END,1.570 MIN IN. 1.580 MAX IN. ID,2.977 MIN IN. 2.983 MAX IN. W |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 34633 PRIMARY | Williams International Co., L.l.c. (USA) |
| 34633 | Mentis Sciences Inc (USA) |
| 118303-13-000 | Mentis Sciences Inc (USA) |
NSN 2840-01-127-3200 is a Seal,labyrinth, 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 2840-01-127-3200 has 3 manufacturer part numbers on file: 34633 (Williams International Co., L.l.c.), 34633 (Mentis Sciences Inc), 118303-13-000 (Mentis Sciences Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-316-6689, 5331-01-509-3099. Verify interchangeability with system specifications before substitution.
Key specifications for 34633: General Characteristics Item Description: 3.237 MIN IN. 3.285 MAX IN. OD 1ST END,1.740 MIN IN. 1.750 MAX IN. OD 2ND END,1.570 MIN IN. 1.580 MAX IN. ID,2.977 MIN IN. 2.983 MAX IN. W; End Item Identification: ACFT ENG F107. 1 specification is 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 2840-01-127-3200 has DEMIL Code D. 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.