PartsTable TECHNICAL DATA SHEET

NSN 6645-00-411-3733Government record, cited

Damper, Hourmeter6645-00-411-3733

NSN 6645-00-411-3733 · NIIN 004113733 · Part number 551251

Dana Off Highway Products, Llc · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 77237

Government record, cited

NSN 6645-00-411-3733 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-411-3733. Manufacturer of record part number: 551251.

Also searched as 6645-00-411-3733 · 6645004113733 · NIIN 004113733 · 00-411-3733 · FSC 6645 Time Measuring Instruments · CAGE 77237 · 551251

Nearby stock numbers ← 6645-00-411-3179 Clock, Global, Calendar · 6645-00-411-3735 →

Features

Damper,hourmeter — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Dana Off Highway Products, Llc

Identification

NSN: 6645-00-411-3733
NIIN: 004113733
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 551251
Manufacturer: Dana Off Highway Products, Llc

General Description

The Damper,hourmeter, cataloged under National Stock Number 6645-00-411-3733, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Dana Off Highway Products, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Damper,hourmeter
FSC / FSG	6645 — Time Measuring Instruments (FSG 66)
Manufacturers	Dana Off Highway Products, Llc (CAGE 77237)

Technical Specifications

Parameter	Value
NSN	6645-00-411-3733
Primary Part Number	551251
Item Name	Damper,hourmeter
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Dana Off Highway Products, 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)

Cross-Reference Index

Part Number	Manufacturer
551251 PRIMARY	Dana Off Highway Products, Llc (USA)

Reference documents

Reference	Meaning
551251	5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V

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 6645-00-411-3733?

NSN 6645-00-411-3733 is a Damper,hourmeter, manufactured by Dana Off Highway Products, Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-00-411-3733?

NSN 6645-00-411-3733 has 1 manufacturer part number on file: 551251 (Dana Off Highway Products, Llc).

Is NSN 6645-00-411-3733 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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