PartsTable TECHNICAL DATA SHEET
NSN 2840-00-477-4273Government record, cited

Sleeve, Front Compressor2840-00-477-4273

NSN 2840-00-477-4273 · NIIN 004774273 · Part number 745115
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 2840-00-477-4273 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-477-4273. Manufacturer of record part number: 745115.
Also searched as  2840-00-477-4273 · 2840004774273 · NIIN 004774273 · 00-477-4273 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 745115
Nearby stock numbers  ·
Features
  • Sleeve,front Compressor — FSC 2840
  • Overall Diameter: 4.850 INCHES NOMINAL IN
  • Criticality Code Justification: MATT AND AGAV AND ABHP AND ADAV
  • Material: STEEL
  • 1 manufacturer part number on file
  • Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
  • NSN: 2840-00-477-4273
  • NIIN: 004774273
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 745115
  • Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description

The Sleeve,front Compressor, cataloged under National Stock Number 2840-00-477-4273, 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. 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
NSN2840-00-477-4273
Primary Part Number745115
Item NameSleeve,front Compressor
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Overall Diameter4.850 INCHES NOMINAL IN
Criticality Code JustificationMATT AND AGAV AND ABHP AND ADAV
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
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.
6110-01-248-1751745114 POSSIBLE MATCH
REGULATOR,FREQUENCY
Possible match (shared part number)Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
745115 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6110-01-248-1751POSSIBLE MATCH
REGULATOR,FREQUENCY
745114

Frequently Asked Questions

What is NSN 2840-00-477-4273?

NSN 2840-00-477-4273 is a Sleeve,front Compressor, 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 2840-00-477-4273?

NSN 2840-00-477-4273 has 1 manufacturer part number on file: 745115 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-477-4273?

1 possible match (shared part number, not a government interchangeability claim): 6110-01-248-1751. Verify interchangeability with system specifications before substitution.

What are the specifications of 745115?

Key specifications for 745115: Overall Diameter: 4.850 INCHES NOMINAL IN; Criticality Code Justification: MATT AND AGAV AND ABHP AND ADAV; Overall Length: 0.750 INCHES NOMINAL IN; Special Features: MATL AMS 5616. 3 specifications are documented in the U.S. Government catalog.

Is NSN 2840-00-477-4273 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.

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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