PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28518AND28521Disk,shaft

Terry Corp of Connecticut Sub of Ingersoll-Rand Co · NSN 2825-00-389-8649 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-389-8649 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-389-8649. Primary manufacturer part number: 28518AND28521.
Features
  • Disk,shaft — FSC 2825
  • Criticality Code Justification: FEAT
  • General Characteristics Item Description: STEEL,3.250 IN. OD,1.250 IN. BORE DIA,0.188 IN. W SQUARE KEYWAY IN BORE,2.250 IN. DIA HUB ON ONE SIDE,0.756 IN. HUB LG,1.688 IN. O/A THK IN
  • 10 verified cross-references
  • Primary manufacturer: Terry Corp of Connecticut Sub of Ingersoll-Rand Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk,shaft, cataloged under National Stock Number 2825-00-389-8649, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Terry Corp of Connecticut Sub of Ingersoll-Rand Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2825-00-389-8649
Primary Part Number28518AND28521
Item NameDisk,shaft
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerTerry Corp of Connecticut Sub of Ingersoll-Rand Co
StatusACTIVE
Criticality Code JustificationFEAT
General Characteristics Item DescriptionSTEEL,3.250 IN. OD,1.250 IN. BORE DIA,0.188 IN. W SQUARE KEYWAY IN BORE,2.250 IN. DIA HUB ON ONE SIDE,0.756 IN. HUB LG,1.688 IN. O/A THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2810-00-118-251031815 INTERCHANGEABLE
Liner,bearing
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5940-00-825-3700BB-884-2 INTERCHANGEABLE
Terminal,lug
Molex-Etc Inc Sub of Molex Inc
6210-01-037-4371318-15 INTERCHANGEABLE
Sleeve,mounting
Korry Electronics Co
5360-01-407-326231815 INTERCHANGEABLE
Spring,helical,compression
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
28518AND28521 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E3522PC61X64 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
T31815 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
E3411PC569-577 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
CA7727SH2PC569-577 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
31815 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
E3400PC569-577 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
31815 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
31815 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
T31815 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
Related Parts
2810-00-118-2510INTERCHANGEABLE
LINER,BEARING
31815
5940-00-825-3700INTERCHANGEABLE
TERMINAL,LUG
BB-884-2
6210-01-037-4371INTERCHANGEABLE
SLEEVE,MOUNTING
318-15
5360-01-407-3262INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
31815

Frequently Asked Questions

What is NSN 2825-00-389-8649?

NSN 2825-00-389-8649 is a Disk,shaft, manufactured by Terry Corp of Connecticut Sub of Ingersoll-Rand Co, classified under FSC 2825 (No Item Name Available). Status: active.

What are the part numbers for NSN 2825-00-389-8649?

NSN 2825-00-389-8649 has 10 cross-referenced part numbers: 28518AND28521 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), E3522PC61X64 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), T31815 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), E3411PC569-577 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), CA7727SH2PC569-577 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co) and 5 more.

What NSN replaces 2825-00-389-8649?

There are 4 known substitutes for 2825-00-389-8649: 2810-00-118-2510, 5940-00-825-3700, 6210-01-037-4371 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28518AND28521?

Key specifications for 28518AND28521: End Item Identification: NIMITZ CLASS CVN; SUPPLY CLASS AOE; Criticality Code Justification: FEAT; General Characteristics Item Description: STEEL,3.250 IN. OD,1.250 IN. BORE DIA,0.188 IN. W SQUARE KEYWAY IN BORE,2.250 IN. DIA HUB ON ONE SIDE,0.756 IN. HUB LG,1.688 IN. O/A THK IN; Special Features: WEAPON SYSTEM ESSENTIAL. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com