PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZT330SHolder,countersink

Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc · NSN 3460-00-517-6015 · FSC 3460 · No Item Name Available
Verified by PartsTable
NSN 3460-00-517-6015 — this item is cataloged by the U.S. Government under National Stock Number 3460-00-517-6015. Primary manufacturer part number: ZT330S.
Features
  • Holder,countersink — FSC 3460
  • Shank Size: 0.250 IN. DIA IN
  • Design Type: ADJUSTABLE
  • Cutter Diameter Range: +0.375 TO 0.625 INCHES IN
  • Shank Type: STRAIGHT
  • Cutter Drive Type for Which Designed: THREADED
  • Shank Diameter: 0.250 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: II TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,countersink, cataloged under National Stock Number 3460-00-517-6015, is classified within Federal Supply Class 3460 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3460-00-517-6015
Primary Part NumberZT330S
Item NameHolder,countersink
FSC / FSG3460 / 34 — No Item Name Available
ManufacturerZephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc
StatusCANCELLED
Shank Size0.250 IN. DIA IN
Design TypeADJUSTABLE
Cutter Diameter Range+0.375 TO 0.625 INCHES IN
Shank TypeSTRAIGHT
Cutter Drive Type for Which DesignedTHREADED
Shank Diameter0.250 INCHES NOMINAL IN
Nondefinitive Spec/std DataII TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4510-00-257-2215S-2310 INTERCHANGEABLE
Control Valve,shower
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
6130-00-463-4638 INTERCHANGEABLE
Power Supply
3460-00-897-6457 INTERCHANGEABLE
Holder,countersink
3460-01-143-7837 INTERCHANGEABLE
Countersink Stop
6625-01-263-90816200B INTERCHANGEABLE
Phasemeter
Krohn-Hite Corp
Cross-Reference Index
Part NumberManufacturer
MILH4081 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ZT330S PRIMARY Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc (USA)
MILH4081TYPE2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-58075 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
6200B Learjet Inc (USA)
Related Parts
4510-00-257-2215INTERCHANGEABLE
CONTROL VALVE,SHOWER
S-2310
6130-00-463-4638INTERCHANGEABLE
POWER SUPPLY
3460-00-897-6457INTERCHANGEABLE
HOLDER,COUNTERSINK
3460-01-143-7837INTERCHANGEABLE
COUNTERSINK STOP
6625-01-263-9081INTERCHANGEABLE
PHASEMETER
6200B

Frequently Asked Questions

What is NSN 3460-00-517-6015?

NSN 3460-00-517-6015 is a Holder,countersink, manufactured by Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc, classified under FSC 3460 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3460-00-517-6015?

NSN 3460-00-517-6015 has 5 cross-referenced part numbers: MILH4081 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ZT330S (Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc), MILH4081TYPE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-58075 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 6200B (Learjet Inc).

What NSN replaces 3460-00-517-6015?

There are 5 known substitutes for 3460-00-517-6015: 4510-00-257-2215, 6130-00-463-4638, 3460-00-897-6457 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZT330S?

Key specifications for ZT330S: Shank Size: 0.250 IN. DIA IN; Design Type: ADJUSTABLE; Cutter Diameter Range: +0.375 TO 0.625 INCHES IN; Shank Type: STRAIGHT. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3460-00-517-6015 still in active supply?

NSN 3460-00-517-6015 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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