PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

530087Counterweight,compressor

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-005-2728 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-005-2728 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-005-2728. Primary manufacturer part number: 530087.
Features
  • Counterweight,compressor — FSC 2840
  • General Characteristics Item Description: ALUMINUM ALLOY,AMS 5665,0.750 IN.LG,1.500 IN. OD,0.926 IN. ID IN
  • FSC Application Data: JET ENGINE,J57
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counterweight,compressor, cataloged under National Stock Number 2840-01-005-2728, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-005-2728
Primary Part Number530087
Item NameCounterweight,compressor
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,AMS 5665,0.750 IN.LG,1.500 IN. OD,0.926 IN. ID IN
FSC Application DataJET ENGINE,J57
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-957-6636MS35190-223 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
530087 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
530087 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5305-00-957-6636INTERCHANGEABLE
SCREW,MACHINE
MS35190-223

Frequently Asked Questions

What is NSN 2840-01-005-2728?

NSN 2840-01-005-2728 is a Counterweight,compressor, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-005-2728?

NSN 2840-01-005-2728 has 2 cross-referenced part numbers: 530087 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 530087 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-005-2728?

There is 1 known substitute for 2840-01-005-2728: 5305-00-957-6636. Verify interchangeability with system specifications before substitution.

What are the specifications of 530087?

Key specifications for 530087: General Characteristics Item Description: ALUMINUM ALLOY,AMS 5665,0.750 IN.LG,1.500 IN. OD,0.926 IN. ID IN; FSC Application Data: JET ENGINE,J57. 2 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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