The Boss,oil Tank, cataloged under National Stock Number 2840-01-128-8373, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-128-8373 |
| Primary Part Number | 4042098 |
| Item Name | Boss,oil Tank |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY AMS 4116,1.990 MIN IN. 2.010 MAX IN. OD,0.675 MIN IN. 0.685 MAX IN. ID;1.086 MIN IN. 1.090 MAX IN. CBORE DIA,1.391 MIN IN. 1.411 MAX IN. LG |
| 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 |
|---|---|
| 4042098 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 2840PL0664270 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-01-128-8373 is a Boss,oil Tank, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-128-8373 has 1 manufacturer part number on file: 4042098 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4042098: General Characteristics Item Description: ALUMINUM ALLOY AMS 4116,1.990 MIN IN. 2.010 MAX IN. OD,0.675 MIN IN. 0.685 MAX IN. ID;1.086 MIN IN. 1.090 MAX IN. CBORE DIA,1.391 MIN IN. 1.411 MAX IN. LG; End Item Identification: ACFT ENG F100. 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.
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.