Seal, Metallic, Aircraft Gas Turbi2840-00-406-8358
NSN 2840-00-406-8358 · NIIN 004068358 · Part number 675730
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-406-8358 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-406-8358. Manufacturer of record part number: 675730.
Also searched as2840-00-406-8358 ·
2840004068358 ·
NIIN 004068358 ·
00-406-8358 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 675730 · 655636
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-406-8358
NIIN: 004068358
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 675730
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-00-406-8358, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-406-8358
Primary Part Number
675730
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
Criticality Code Justification
AGAV
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
Y
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5975-00-935-2163SB1093-15POSSIBLE MATCH
BUSHING,ELECTRICAL CONDUCTOR
Possible match (shared part number)Heyco Inc Dba Heyco Products
5961-01-062-46682595558POSSIBLE MATCH
RECTIFIER,SEMICONDUCTOR DEVICE,U
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5985-01-302-3624655636-002POSSIBLE MATCH
ATTENUATOR,FIXED
Possible match (shared part number)Raytheon Company Dba Raytheon
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5975-00-935-2163POSSIBLE MATCH
BUSHING,ELECTRICAL CONDUCTOR
SB1093-15
5961-01-062-4668POSSIBLE MATCH
RECTIFIER,SEMICONDUCTOR DEVICE,U
2595558
5985-01-302-3624POSSIBLE MATCH
ATTENUATOR,FIXED
655636-002
Frequently Asked Questions
What is NSN 2840-00-406-8358?
NSN 2840-00-406-8358 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.
What part numbers are listed for NSN 2840-00-406-8358?
NSN 2840-00-406-8358 has 2 manufacturer part numbers on file: 675730 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 655636 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 2840-00-406-8358?
3 possible matches (shared part number, not a government interchangeability claim): 5975-00-935-2163, 5961-01-062-4668, 5985-01-302-3624. Verify interchangeability with system specifications before substitution.
What are the specifications of 675730?
Key specifications for 675730: Criticality Code Justification: AGAV; Special Features: FOR NUMBER 1 BEARING; End Item Identification: TF-30 AIRCRAFT ENGINE. 1 specification is documented in the U.S. Government catalog.
Is NSN 2840-00-406-8358 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.