NSN 2840-01-124-0723 · NIIN 011240723 · Part number 777886CL4
A-1 Machining Co., Llc Div a-1 Machining Co. · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 4V114
Government record, cited
NSN 2840-01-124-0723 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-124-0723. Manufacturer of record part number: 777886CL4.
Also searched as2840-01-124-0723 ·
2840011240723 ·
NIIN 011240723 ·
01-124-0723 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 4V114 · 777886CL4
Overall Thickness: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Criticality Code Justification: AGAV
Reference Data and Literature: 2J-TF33-34, FIGURE 28, INDEX 21
Outside Diameter: 34.878 INCHES MINIMUM AND 34.908 INCHES MAXIMUM IN
Material: STEEL
2 manufacturer part numbers on file
Identification
NSN: 2840-01-124-0723
NIIN: 011240723
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 777886CL4
Manufacturer: A-1 Machining Co., Llc Div a-1 Machining Co.
General Description
The Lock Ring,turbine Nozzle,aircraf, cataloged under National Stock Number 2840-01-124-0723, 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 A-1 Machining Co., Llc Div a-1 Machining Co.. Government technical data includes 6 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-124-0723
Primary Part Number
777886CL4
Item Name
Lock Ring,turbine Nozzle,aircraf
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
A-1 Machining Co., Llc Div a-1 Machining Co.
Status
ACTIVE
Stage Number
3
Overall Thickness
0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Criticality Code Justification
AGAV
Reference Data and Literature
2J-TF33-34, FIGURE 28, INDEX 21
Outside Diameter
34.878 INCHES MINIMUM AND 34.908 INCHES MAXIMUM IN
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
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.
2840-00-000-0048
ENGINE,AIRCRAFT,TURBO-SHAFT
2840-00-000-0049
MODIFICATION KIT,ENGINE
2840-00-001-1741
CASE AND NOZZLE ASSEMBLY,TURBINE
2840-00-001-1743
2840-00-001-1743 · Item name not on file
2840-00-001-2117
2840-00-001-2117 · Item name not on file
2840-00-001-2284
2840-00-001-2284 · Item name not on file
2840-00-001-3922
2840-00-001-3922 · Item name not on file
2840-00-001-4903
SEAL,AIR,AIRCRAFT GAS TURBINE EN
Frequently Asked Questions
What is NSN 2840-01-124-0723?
NSN 2840-01-124-0723 is a Lock Ring,turbine Nozzle,aircraf, manufactured by A-1 Machining Co., Llc Div a-1 Machining Co., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-124-0723?
NSN 2840-01-124-0723 has 2 manufacturer part numbers on file: 777886CL4 (A-1 Machining Co., Llc Div a-1 Machining Co.), 777886CL4 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 777886CL4?
Key specifications for 777886CL4: Stage Number: 3; Overall Thickness: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Criticality Code Justification: AGAV; Reference Data and Literature: 2J-TF33-34, FIGURE 28, INDEX 21. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-124-0723 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 2840-01-124-0723?
NSN 2840-01-124-0723 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.