The Seal,air, cataloged under National Stock Number 2840-01-192-0773, 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 Columbia Manufacturing, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-192-0773 |
| Primary Part Number | 4048T89P01 |
| Item Name | Seal,air |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Columbia Manufacturing, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATL B50TF14 CL-A,0.018 MIN 0.022 MAX IN.,16.900 MIN 16.920 MAX IN. OD,15.640 MIN 15.680 MAX IN. ID |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 4048T89P01 | Columbia Manufacturing, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4048T89P01 | 5/9 Secondary reference Enjet Aero Dayton Inc |
| 4048T89P01 | 5/9 Secondary reference Whitcraft Llc Dba Pursuit Aerospace |
| 4048T89P01 | 3/2 Design control — primary reference U.S. Government activity |
| 4048T89P01 | 5/9 Secondary reference Associated Aerospace Activities Inc |
NSN 2840-01-192-0773 is a Seal,air, manufactured by Columbia Manufacturing, Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-192-0773 has 1 manufacturer part number on file: 4048T89P01 (Columbia Manufacturing, Inc).
Key specifications for 4048T89P01: General Characteristics Item Description: MATL B50TF14 CL-A,0.018 MIN 0.022 MAX IN.,16.900 MIN 16.920 MAX IN. OD,15.640 MIN 15.680 MAX IN. ID; End Item Identification: ACFT ENG TF34. 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 2840-01-192-0773 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.