PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HLK2-118Arm,compressor Stator

U S Bearings · NSN 2840-01-090-1799 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-090-1799 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-090-1799. Primary manufacturer part number: HLK2-118.
Features
  • Arm,compressor Stator — FSC 2840
  • Criticality Code Justification: MATT AND ADAV AND ABMK AND AGAV
  • Overall Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
  • Material: NICKEL ALLOY
  • 7 verified cross-references
  • Primary manufacturer: U S Bearings
Applications
  • Applications requiring Nickel Alloy construction
General Description

The Arm,compressor Stator, cataloged under National Stock Number 2840-01-090-1799, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is U S Bearings. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-090-1799
Primary Part NumberHLK2-118
Item NameArm,compressor Stator
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerU S Bearings
StatusACTIVE
Criticality Code JustificationMATT AND ADAV AND ABMK AND AGAV
Overall Diameter0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5945-00-201-8644SMC108823 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-00-405-185210510321 INTERCHANGEABLE
Piston,governor,compressor
General Dynamics Land Systems Canadacorp
Cross-Reference Index
Part NumberManufacturer
HLK2-118 PRIMARY U S Bearings (USA)
4055278 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4065324 Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
KR2-8 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
4055380 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4055379 U S Bearings (USA)
T.O.2J-F100-4 FIGURE 113 ITEM19A Department of the Air Force (USA)
Related Parts
5945-00-201-8644INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SMC108823
2530-00-405-1852INTERCHANGEABLE
PISTON,GOVERNOR,COMPRESSOR
10510321

Frequently Asked Questions

What is NSN 2840-01-090-1799?

NSN 2840-01-090-1799 is a Arm,compressor Stator, manufactured by U S Bearings, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-090-1799?

NSN 2840-01-090-1799 has 7 cross-referenced part numbers: HLK2-118 (U S Bearings), 4055278 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4065324 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), KR2-8 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), 4055380 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.

What NSN replaces 2840-01-090-1799?

There are 2 known substitutes for 2840-01-090-1799: 5945-00-201-8644, 2530-00-405-1852. Verify interchangeability with system specifications before substitution.

What are the specifications of HLK2-118?

Key specifications for HLK2-118: Criticality Code Justification: MATT AND ADAV AND ABMK AND AGAV; Overall Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN; Special Features: MATL AMS 5599; Material: NICKEL ALLOY. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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