The Plate,component Mounting,aircraf, cataloged under National Stock Number 2840-01-112-2644, 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 5 specifications, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-112-2644 |
| Primary Part Number | 4058189 |
| Item Name | Plate,component Mounting,aircraf |
| 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 |
| Criticality Code Justification | FEATFEAT |
| Material Document and Classification | AMS 4916 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 4916 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Engine Section Location | EXHAUSTEXHAUST |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.015 INCHES MINIMUM AND 0.041 INCHES MAXIMUM0.041 INCHES MAXIMUM IN |
| Material | TITANIUM ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 2840-01-112-2644 is a Plate,component Mounting,aircraf, 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 2840-01-112-2644 has 3 manufacturer part numbers on file: 4058189 (Airtronics, Llc), 4058189 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4058189 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-386-6981. Verify interchangeability with system specifications before substitution.
Key specifications for 4058189: Criticality Code Justification: FEATFEAT; Material Document and Classification: AMS 4916 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 4916 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 1.513 INCHES NOMINAL1.513 INCHES NOMINAL IN; Overall Width: 0.660 INCHES NOMINAL0.660 INCHES NOMINAL IN. 5 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.
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.