The Plate,reinforcing, cataloged under National Stock Number 2840-00-737-8993, 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 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 | 2840-00-737-8993 |
| Primary Part Number | 398612 |
| Item Name | Plate,reinforcing |
| 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 MIL-N-6840 COMP 600; 14.630 INCH MIN 14.650 INCH MAX OD; 13.510 INCH MIN 13.530 INCH MAX ID; 0.039 INCH MIN 0.044 INCH MAX THK; 40 HOLES 0.276 INCH MIN 0.286 INCH MAX DIA EQUALLY SPACED ON 14.000 INCH DIA BOLT CIRCLE 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 |
NSN 2840-00-737-8993 is a Plate,reinforcing, 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 2840-00-737-8993 has 3 manufacturer part numbers on file: 398612 (M and M Welding Inc), 398612 (Nd Industries Inc Div Nd Industries, Inc. - Michigan Division), 398612 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-756-3779. Verify interchangeability with system specifications before substitution.
Key specifications for 398612: General Characteristics Item Description: NICKEL ALLOY MIL-N-6840 COMP 600; 14.630 INCH MIN 14.650 INCH MAX OD; 13.510 INCH MIN 13.530 INCH MAX ID; 0.039 INCH MIN 0.044 INCH MAX THK; 40 HOLES 0.276 INCH MIN 0.286 INCH MAX DIA EQUALLY SPACED ON 14.000 INCH DIA BOLT CIRCLE 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 2840-00-737-8993 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.