PartsTable TECHNICAL DATA SHEET

NSN 6645-01-609-4753Government record, cited

Timer, Sequential6645-01-609-4753

NSN 6645-01-609-4753 · NIIN 016094753 · Part number 3886004

Oshkosh Defense Llc · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 75Q65

Government record, cited

NSN 6645-01-609-4753 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-609-4753. Manufacturer of record part number: 3886004.

Also searched as 6645-01-609-4753 · 6645016094753 · NIIN 016094753 · 01-609-4753 · FSC 6645 Time Measuring Instruments · CAGE 75Q65 · 3886004 · 00019035

Nearby stock numbers ← 6645-01-609-4741 Meter, Time Totalizing · 6645-01-609-6255 Meter, Time Totalizing →

Features

Timer,sequential — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 6645-01-609-4753
NIIN: 016094753
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 3886004
Manufacturer: Oshkosh Defense Llc

General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-609-4753, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Timer,sequential
FSC / FSG	6645 — Time Measuring Instruments (FSG 66)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	6645-01-609-4753
Primary Part Number	3886004
Item Name	Timer,sequential
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Oshkosh Defense Llc
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
3886004 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
3886004	5/9 Secondary reference Oshkosh Corp
00019035	5/9 Secondary reference B C S Holding Llc

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 6645-01-609-4753?

NSN 6645-01-609-4753 is a Timer,sequential, manufactured by Oshkosh Defense Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-609-4753?

NSN 6645-01-609-4753 has 1 manufacturer part number on file: 3886004 (Oshkosh Defense Llc).

Is NSN 6645-01-609-4753 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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