PartsTable TECHNICAL DATA SHEET

NSN 6645-01-161-3665Government record, cited

Timer, Sequential6645-01-161-3665

NSN 6645-01-161-3665 · NIIN 011613665 · Part number HK-25DJ-003

Carrier Corp · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 10855

Government record, cited

NSN 6645-01-161-3665 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-161-3665. Manufacturer of record part number: HK-25DJ-003.

Also searched as 6645-01-161-3665 · 6645011613665 · NIIN 011613665 · 01-161-3665 · FSC 6645 Time Measuring Instruments · CAGE 10855 · HK-25DJ-003 · HK25MJ-152

Nearby stock numbers ← 6645-01-161-1707 Meter, Time Totalizing · 6645-01-161-3666 Timer, Sequential →

Features

Timer,sequential — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Carrier Corp

Identification

NSN: 6645-01-161-3665
NIIN: 011613665
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: HK-25DJ-003
Manufacturer: Carrier Corp

General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-161-3665, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Carrier Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	6645-01-161-3665
Primary Part Number	HK-25DJ-003
Item Name	Timer,sequential
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Carrier Corp
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
HK-25DJ-003 PRIMARY	Carrier Corp (USA)

Reference documents

Reference	Meaning
HK25MJ-152	5/9 Secondary reference Carrier Corp

No interchangeability data on file.

Other items in FSC 6645 — Time Measuring Instruments

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

6645-00-001-1256

6645-00-001-1256 · Item name not on file

6645-00-001-4498

6645-00-001-4498 · Item name not on file

6645-00-001-4584

6645-00-001-4584 · Item name not on file

6645-00-001-9400

METER,TIME TOTALIZING

6645-00-003-0327

6645-00-003-0327 · Item name not on file

6645-00-003-0328

6645-00-003-0328 · Item name not on file

6645-00-003-0337

6645-00-003-0337 · Item name not on file

6645-00-003-0338

METER,TIME TOTALIZING

Frequently Asked Questions

What is NSN 6645-01-161-3665?

NSN 6645-01-161-3665 is a Timer,sequential, manufactured by Carrier Corp, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-161-3665?

NSN 6645-01-161-3665 has 1 manufacturer part number on file: HK-25DJ-003 (Carrier Corp).

What are the specifications of HK-25DJ-003?

Key specifications for HK-25DJ-003: Special Features: U.S. NAVY ITEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-161-3665 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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