The Plate,component Mounting,aircraf, cataloged under National Stock Number 2840-01-159-4212, 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 1 manufacturer part number 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 | 2840-01-159-4212 |
| Primary Part Number | 500951 |
| 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 |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM CONE |
| Criticality Code Justification | ABHP AND CZBJ AND FEAT |
| Material Document and Classification | AMS5813 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Engine Section Location | DIFFUSER |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 500951 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-01-159-4212 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 2840-01-159-4212 has 1 manufacturer part number on file: 500951 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-381-2117. Verify interchangeability with system specifications before substitution.
Key specifications for 500951: Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM CONE; Criticality Code Justification: ABHP AND CZBJ AND FEAT; Material Document and Classification: AMS5813 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM 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.
NSN 2840-01-159-4212 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.