The Support,inner Duct, cataloged under National Stock Number 2840-00-912-0640, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 2840-00-912-0640 |
| Primary Part Number | 502153 |
| Item Name | Support,inner Duct |
| 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 | NICKEL ALLOY AMS 5536; 11 HOLES 0.460 INCH MIN 0.464 INCH MAX DIA EQUALLY SPACED ON 9.250 INCH RADIUS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 502153 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 502153 | 5/9 Secondary reference U.S. Government activity |
| 502153 | 5/9 Secondary reference Whitcraft Llc Dba Pursuit Aerospace |
| 502153 | 5/9 Secondary reference Instrumatics Inc |
| 502153 | 5/9 Secondary reference Rogerson Kratos |
NSN 2840-00-912-0640 is a Support,inner Duct, 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 2840-00-912-0640 has 1 manufacturer part number on file: 502153 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
4 possible matches (shared part number, not a government interchangeability claim): 5331-01-013-3028, 5998-01-101-6963, 7025-01-211-6012. Verify interchangeability with system specifications before substitution.
Key specifications for 502153: General Characteristics Item Description: NICKEL ALLOY AMS 5536; 11 HOLES 0.460 INCH MIN 0.464 INCH MAX DIA EQUALLY SPACED ON 9.250 INCH RADIUS IN. 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 2840-00-912-0640 has DEMIL Code B. 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.