The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-00-505-9305, 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 8 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2840-00-505-9305 |
| Primary Part Number | 246738 |
| Item Name | Seal,metallic,aircraft Gas Turbi |
| 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 |
| Surface Treatment Document and Classification | AMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Design Type | AXIAL COMPRESSOR |
| Criticality Code Justification | SFTT AND CZBJ AND ABMZ AND ABHP |
| Material Document and Classification | AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AAMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Diameter | 7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN |
| Engine Section Location | COMPRESSOR |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL 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 | F |
| Part Number | Manufacturer |
|---|---|
| 246738 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 246738 | Eti Tech Llc (USA) |
| 246738 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 246738 | 5/9 Secondary reference Electro-Methods, L.p. |
| 246738 | 5/9 Secondary reference Beta Engineering, Inc. Dba Beta Engineering Inc |
| 246738 | 5/9 Secondary reference Wgi Inc. Dba Wgi Inc |
| 246738 | 5/9 Secondary reference Hanwha Aerospace Usa Llc Div Edac Nd, Inc. |
| 246738 | 5/9 Secondary reference Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| 346738 | 5/9 Secondary reference Beta Engineering, Inc. Dba Beta Engineering Inc |
| 246738 | 5/9 Secondary reference Enjet Aero Bloomfield, Llc |
NSN 2840-00-505-9305 is a Seal,metallic,aircraft Gas Turbi, 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 2840-00-505-9305 has 3 manufacturer part numbers on file: 246738 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 246738 (Eti Tech Llc), 246738 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 6685-00-574-8761. Verify interchangeability with system specifications before substitution.
Key specifications for 246738: Surface Treatment Document and Classification: AMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: SFTT AND CZBJ AND ABMZ AND ABHP; Material Document and Classification: AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AAMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 8 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 2840-00-505-9305 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.