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NSN 2840-00-925-7540Government record, cited
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Weight-Counterbalance, Turbine En2840-00-925-7540

NSN 2840-00-925-7540 · NIIN 009257540 · Part number 528446CL6
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-925-7540 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-925-7540. Manufacturer of record part number: 528446CL6.
Also searched as  2840-00-925-7540 · 2840009257540 · NIIN 009257540 · 00-925-7540 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 528446CL6 · 528446B · 528644CL6
Nearby stock numbers  ·
Features
  • Weight-Counterbalance,turbine En — FSC 2840
  • 1 manufacturer part number on file
  • Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
  • NSN: 2840-00-925-7540
  • NIIN: 009257540
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 528446CL6
  • Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description

The Weight-Counterbalance,turbine En, cataloged under National Stock Number 2840-00-925-7540, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-925-7540
Primary Part Number528446CL6
Item NameWeight-Counterbalance,turbine En
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2840-00-925-7541528446CL7 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7542528446CL8 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7545528446CL11 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7546528446CL12 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7547528446CL13 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7548528446CL14 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7549528446CL15 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7550528446CL16 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-925-7551528446CL17 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-946-5365528446CL18 POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
528446CL6 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Reference documents
ReferenceMeaning
528446B D/9 Drawing number reference only
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
528644CL6 5/9 Secondary reference
Royal Oak Gage, Inc
Related Parts
2840-00-925-7541POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
528446CL7
2840-00-925-7542POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
528446CL8
2840-00-925-7545POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
528446CL11
2840-00-925-7546POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
528446CL12
2840-00-925-7547POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
528446CL13
2840-00-925-7548POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
528446CL14
2840-00-925-7549POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
528446CL15
2840-00-925-7550POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
528446CL16
2840-00-925-7551POSSIBLE MATCH
WEIGHT-COUNTERBALANCE,TURBINE EN
528446CL17
2840-00-946-5365POSSIBLE MATCH
WEIGHT-COUNTERBALANCE-TURBINE EN
528446CL18
3040-00-946-9843POSSIBLE MATCH
WEIGHT,COUNTERBALANCE
528445CL6

Frequently Asked Questions

What is NSN 2840-00-925-7540?

NSN 2840-00-925-7540 is a Weight-Counterbalance,turbine En, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What part numbers are listed for NSN 2840-00-925-7540?

NSN 2840-00-925-7540 has 1 manufacturer part number on file: 528446CL6 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-925-7540?

11 possible matches (shared part number, not a government interchangeability claim): 2840-00-925-7541, 2840-00-925-7542, 2840-00-925-7545. Verify interchangeability with system specifications before substitution.

What are the specifications of 528446CL6?

Key specifications for 528446CL6: Special Features: STAINLESS STEEL; 0.106 IN. TO 0.111 IN. DIA,2 HOLES; 0.098 IN. TO 0.102 IN. W; 0.1963 IN. W,CENTER SECTION; 22099 OZ TO 22439 OZ WEIGHT OZ; End Item Identification: J52 AIRCRAFT ENGINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2840-00-925-7540 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 2840-00-925-7540?

NSN 2840-00-925-7540 has DEMIL Code B. 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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