PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H303Holder,counterbore

Textron Inc · NSN 3460-00-248-9903 · FSC 3460 · No Item Name Available
Verified by PartsTable
NSN 3460-00-248-9903 — this item is cataloged by the U.S. Government under National Stock Number 3460-00-248-9903. Primary manufacturer part number: H303.
Features
  • Holder,counterbore — FSC 3460
  • Cutter Diameter Range: +1.125 TO 1.750 INCHES IN
  • Design Type: SOLID
  • Cutter Drive Type for Which Designed: STRAIGHT
  • Shank Size: NO. 3 MORSE TAPER
  • Shank Type: TAPERED
  • 1 verified cross-reference
  • Primary manufacturer: Textron Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,counterbore, cataloged under National Stock Number 3460-00-248-9903, is classified within Federal Supply Class 3460 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Textron Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3460-00-248-9903
Primary Part NumberH303
Item NameHolder,counterbore
FSC / FSG3460 / 34 — No Item Name Available
ManufacturerTextron Inc
StatusACTIVE
Cutter Diameter Range+1.125 TO 1.750 INCHES IN
Design TypeSOLID
Cutter Drive Type for Which DesignedSTRAIGHT
Shank SizeNO. 3 MORSE TAPER
Shank TypeTAPERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5915-00-421-2783 INTERCHANGEABLE
Filter,radio Frequency Interfere
4130-00-913-3509A16618 INTERCHANGEABLE
Filter-Drier,refrigerant
Mueller Brass Co.
3120-01-288-9454 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
H303 PRIMARY Textron Inc (USA)
Related Parts
5915-00-421-2783INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
4130-00-913-3509INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
A16618
3120-01-288-9454INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 3460-00-248-9903?

NSN 3460-00-248-9903 is a Holder,counterbore, manufactured by Textron Inc, classified under FSC 3460 (No Item Name Available). Status: active.

What are the part numbers for NSN 3460-00-248-9903?

NSN 3460-00-248-9903 has 1 cross-referenced part number: H303 (Textron Inc).

What NSN replaces 3460-00-248-9903?

There are 3 known substitutes for 3460-00-248-9903: 5915-00-421-2783, 4130-00-913-3509, 3120-01-288-9454. Verify interchangeability with system specifications before substitution.

What are the specifications of H303?

Key specifications for H303: Cutter Diameter Range: +1.125 TO 1.750 INCHES IN; Design Type: SOLID; Cutter Drive Type for Which Designed: STRAIGHT; Shank Size: NO. 3 MORSE TAPER. 5 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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