NSN 2840-01-249-1071 · NIIN 012491071 · Part number SSCY6390-2
Stein Seal Company · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 03673
Government record, cited
NSN 2840-01-249-1071 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-249-1071. Manufacturer of record part number: SSCY6390-2.
Also searched as2840-01-249-1071 ·
2840012491071 ·
NIIN 012491071 ·
01-249-1071 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 03673 · SSCY6390-2
Nearby stock numbers← 2840-01-249-1070
·
2840-01-249-1072 Seal, Air, Aircraft Gas Turbine En →
Features
Plate,back — FSC 2840
General Characteristics Item Description: STEEL,AMS 5510; 2.810 IN. MIN 2.812 IN. MAX OD; 3 EQUALLY SPACED KEYS RIVETED TO PLATE ON 2.470 IN. DIA BOLT HOLE CIRCLE IN
1 manufacturer part number on file
Manufacturer of record: Stein Seal Company
Identification
NSN: 2840-01-249-1071
NIIN: 012491071
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: SSCY6390-2
Manufacturer: Stein Seal Company
General Description
The Plate,back, cataloged under National Stock Number 2840-01-249-1071, 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 Stein Seal Company. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-249-1071
Primary Part Number
SSCY6390-2
Item Name
Plate,back
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Stein Seal Company
Status
ACTIVE
General Characteristics Item Description
STEEL,AMS 5510; 2.810 IN. MIN 2.812 IN. MAX OD; 3 EQUALLY SPACED KEYS RIVETED TO PLATE ON 2.470 IN. DIA BOLT HOLE CIRCLE IN
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242
2840-00-004-4242 · Item name not on file
2840-00-021-4702
PLATE,RETAINING,TUB
2840-00-043-0981
BRACKET ASSEMBLY,TUBING
2840-00-043-0982
BRACKET ASSEMBLY,TUBING
2840-00-048-5261
2840-00-048-5261 · Item name not on file
2840-00-407-9165
DIPSTICK,ENGINE
2840-01-171-0875
SEAL,FUEL
2840-01-171-0875
SEAL,FUEL
Frequently Asked Questions
What is NSN 2840-01-249-1071?
NSN 2840-01-249-1071 is a Plate,back, manufactured by Stein Seal Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-249-1071?
NSN 2840-01-249-1071 has 1 manufacturer part number on file: SSCY6390-2 (Stein Seal Company).
What are the specifications of SSCY6390-2?
Key specifications for SSCY6390-2: General Characteristics Item Description: STEEL,AMS 5510; 2.810 IN. MIN 2.812 IN. MAX OD; 3 EQUALLY SPACED KEYS RIVETED TO PLATE ON 2.470 IN. DIA BOLT HOLE CIRCLE IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2840-01-249-1071 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.
What is the DEMIL code for NSN 2840-01-249-1071?
NSN 2840-01-249-1071 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.