PartsTable TECHNICAL DATA SHEET
NSN 2840-01-124-8121Government record, cited

Plate, Component Mounting, Aircraf2840-01-124-8121

NSN 2840-01-124-8121 · NIIN 011248121 · Part number 723870
Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 03104
Government record, cited
NSN 2840-01-124-8121 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-124-8121. Manufacturer of record part number: 723870.
Also searched as  2840-01-124-8121 · 2840011248121 · NIIN 011248121 · 01-124-8121 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 03104 · 723870
Nearby stock numbers  ·
Features
  • Plate,component Mounting,aircraf — FSC 2840
  • Criticality Code Justification: AGAVAGAV
  • Diameter: 9.584 INCHES MINIMUM AND 9.584 INCHES MINIMUM AND 9.587 INCHES MAXIMUM9.587 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
Identification
  • NSN: 2840-01-124-8121
  • NIIN: 011248121
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 723870
  • Manufacturer: Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
General Description

The Plate,component Mounting,aircraf, cataloged under National Stock Number 2840-01-124-8121, 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 Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines. Government technical data includes 3 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.

Technical Specifications
ParameterValue
NSN2840-01-124-8121
Primary Part Number723870
Item NamePlate,component Mounting,aircraf
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerTeledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
StatusACTIVE
Criticality Code JustificationAGAVAGAV
Diameter9.584 INCHES MINIMUM AND 9.584 INCHES MINIMUM AND 9.587 INCHES MAXIMUM9.587 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5331-01-267-1726 POSSIBLE MATCH
O-RING
Possible match (shared part number)
Cross-Reference Index
Part NumberManufacturer
723870 PRIMARY Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (USA)
Related Parts
5331-01-267-1726POSSIBLE MATCH
O-RING

Frequently Asked Questions

What is NSN 2840-01-124-8121?

NSN 2840-01-124-8121 is a Plate,component Mounting,aircraf, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What part numbers are listed for NSN 2840-01-124-8121?

NSN 2840-01-124-8121 has 1 manufacturer part number on file: 723870 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).

What NSN replaces 2840-01-124-8121?

1 possible match (shared part number, not a government interchangeability claim): 5331-01-267-1726. Verify interchangeability with system specifications before substitution.

What are the specifications of 723870?

Key specifications for 723870: Criticality Code Justification: AGAVAGAV; Diameter: 9.584 INCHES MINIMUM AND 9.584 INCHES MINIMUM AND 9.587 INCHES MAXIMUM9.587 INCHES MAXIMUM IN; Overall Length: 0.308 INCHES MINIMUM AND 0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM0.312 INCHES MAXIMUM IN; Special Features: MATL AMS 5668MATL AMS 5668. 3 specifications are documented in the U.S. Government catalog.

Is NSN 2840-01-124-8121 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 2840-01-124-8121?

NSN 2840-01-124-8121 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.
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