PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

M2Mandrel,expansion

K.o. Lee Company · NSN 3460-00-224-8978 · FSC 3460 · No Item Name Available
Verified by PartsTable
NSN 3460-00-224-8978 — this item is cataloged by the U.S. Government under National Stock Number 3460-00-224-8978. Primary manufacturer part number: M2.
Features
  • Mandrel,expansion — FSC 3460
  • Nondefinitive Spec/std Data: 2 TYPE AND 6 SIZE
  • Auxiliary Center: INCLUDED
  • Work Holding Facility Quantity: 1
  • Expansion Range: +0.688 TO 1.000 INCHES IN
  • Work Holding Facility Length: 2.500 INCHES NOMINAL IN
  • Design Type: SPRING SLEEVE
  • Departure From Cited Designator: AS MODIFIED BY EXPANSION RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mandrel,expansion, cataloged under National Stock Number 3460-00-224-8978, is classified within Federal Supply Class 3460 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is K.o. Lee Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3460-00-224-8978
Primary Part NumberM2
Item NameMandrel,expansion
FSC / FSG3460 / 34 — No Item Name Available
ManufacturerK.o. Lee Company
StatusACTIVE
Nondefinitive Spec/std Data2 TYPE AND 6 SIZE
Auxiliary CenterINCLUDED
Work Holding Facility Quantity1
Expansion Range+0.688 TO 1.000 INCHES IN
Work Holding Facility Length2.500 INCHES NOMINAL IN
Design TypeSPRING SLEEVE
Departure From Cited DesignatorAS MODIFIED BY EXPANSION RANGE
Work Holding FacilitySLEEVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3460-00-224-8985 INTERCHANGEABLE
Mandrel,expansion
3460-00-224-8989 INTERCHANGEABLE
Mandrel,expansion
3460-00-254-3032 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3034 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3050 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3056 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3076 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3080 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3088 INTERCHANGEABLE
Mandrel,machine,solid
3460-00-254-3090 INTERCHANGEABLE
Mandrel,machine,solid
Cross-Reference Index
Part NumberManufacturer
OO-M-251 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M2 PRIMARY K.o. Lee Company (USA)
A-A-51129 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3460-00-224-8985INTERCHANGEABLE
MANDREL,EXPANSION
3460-00-224-8989INTERCHANGEABLE
MANDREL,EXPANSION
3460-00-254-3032INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3034INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3050INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3056INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3076INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3080INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3088INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3090INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-254-3100INTERCHANGEABLE
MANDREL,MACHINE,SOLID
3460-00-274-7380INTERCHANGEABLE
MANDREL,EXPANSION
A-A-51129

Frequently Asked Questions

What is NSN 3460-00-224-8978?

NSN 3460-00-224-8978 is a Mandrel,expansion, manufactured by K.o. Lee Company, classified under FSC 3460 (No Item Name Available). Status: active.

What are the part numbers for NSN 3460-00-224-8978?

NSN 3460-00-224-8978 has 3 cross-referenced part numbers: OO-M-251 (Federal Specifications Promulgated by General Services Administration Washington DC), M2 (K.o. Lee Company), A-A-51129 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3460-00-224-8978?

There are 12 known substitutes for 3460-00-224-8978: 3460-00-224-8985, 3460-00-224-8989, 3460-00-254-3032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M2?

Key specifications for M2: Nondefinitive Spec/std Data: 2 TYPE AND 6 SIZE; Overall Length: 9.250 INCHES NOMINAL IN; Auxiliary Center: INCLUDED; Work Holding Facility Quantity: 1. 9 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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