PartsTable TECHNICAL DATA SHEET

NSN 3460-01-381-3624Government record, cited

Holder, Countersink3460-01-381-3624

NSN 3460-01-381-3624 · NIIN 013813624 · Part number ZT345-S

Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc · FSC 3460 — Machine Tool Accessories · FSG 34 — Metalworking Machinery (continued) · CAGE 67179

Government record, cited

NSN 3460-01-381-3624 — this item is cataloged by the U.S. Government under National Stock Number 3460-01-381-3624. Manufacturer of record part number: ZT345-S.

Also searched as 3460-01-381-3624 · 3460013813624 · NIIN 013813624 · 01-381-3624 · FSC 3460 Machine Tool Accessories · CAGE 67179 · ZT345-S · GS516B3S

Nearby stock numbers ← 3460-01-381-2473 Sleeve, Expansion Mandrel · 3460-01-381-4602 Table, Positioning →

Features

Holder,countersink — FSC 3460
1 manufacturer part number on file
Manufacturer of record: Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc

Identification

NSN: 3460-01-381-3624
NIIN: 013813624
FSC: 3460 — Machine Tool Accessories
FSG: 34 — Metalworking Machinery (continued)
Primary part number: ZT345-S
Manufacturer: Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc

General Description

The Holder,countersink, cataloged under National Stock Number 3460-01-381-3624, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3460-01-381-3624
Primary Part Number	ZT345-S
Item Name	Holder,countersink
FSC / FSG	3460 / 34 — Machine Tool Accessories
Manufacturer	Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
ZT345-S PRIMARY	Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc (USA)

Reference documents

Reference	Meaning
GS516B3S	7/2 Vendor item drawing reference Northrop Grumman Systems Corporation

No interchangeability data on file.

Other items in FSC 3460 — Machine Tool Accessories

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3460-00-001-1300

3460-00-001-1300 · Item name not on file

3460-00-001-7871

3460-00-001-7871 · Item name not on file

3460-00-001-9259

3460-00-001-9259 · Item name not on file

3460-00-003-1938

3460-00-003-1938 · Item name not on file

3460-00-003-3354

3460-00-003-3354 · Item name not on file

3460-00-003-7100

CLAMP,MACHINE,HOLD DOWN

3460-00-004-1003

WHEEL,ABRASIVE

3460-00-004-3825

3460-00-004-3825 · Item name not on file

Frequently Asked Questions

What is NSN 3460-01-381-3624?

NSN 3460-01-381-3624 is a Holder,countersink, manufactured by Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc, classified under FSC 3460, Machine Tool Accessories. Status: active.

What part numbers are listed for NSN 3460-01-381-3624?

NSN 3460-01-381-3624 has 1 manufacturer part number on file: ZT345-S (Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc).

What are the specifications of ZT345-S?

Key specifications for ZT345-S: Special Features: FINISH BLACK OXIDE; DIAMETER .687; CUTTER THREAD 1/4-28; SHAFT TRAVEL .21; ADJUSTMENT .375; POSITIVE NONSLIP LOCKING; ADJUSTS W/O TOOLS; MICROMETE DIAL TYPE ADJUSTMENT SLEEVE; SPRING LOADED RETRACTABLE TYPE SHAFT; MIDGET MODEL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3460-01-381-3624 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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