The Clamp Half,tube, cataloged under National Stock Number 2840-01-139-2278, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-139-2278 |
| Item Name | Clamp Half,tube |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM,ANODIZE,0.220 IN.BORE 0.420 IN. COUNTERBORE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10158549 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2840PL2180639 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4062T76P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-139-2278 is a Clamp Half,tube, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-139-2278: General Characteristics Item Description: ALUMINUM,ANODIZE,0.220 IN.BORE 0.420 IN. COUNTERBORE IN; End Item Identification: JET ENGINE MODEL F104. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.