1. Home /
  2. Catalog /
  3. Time Measuring Instruments /
  4. 6645-00-019-0554

6645-00-019-0554

Sequential Timer

Find complete technical information, availability, and procurement data for NSN 6645-00-019-0554 All details are based on official government and industry records to support accurate and compliant procurement.

6645-00-019-0554
Federal Supply Group
Instruments and Laboratory Equipment
Federal Supply Classification
6645 Time Measuring Instruments
National Stock Number
6645-00-019-0554
Item Name Code
61237
Assigment Date
01/01/1961 (65 years ago)

An item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also relay, motor driven; timer, interval; keyer (as modified); chronometer, make-break circuit and intervalometer (as modified).

5.440 inches nominal overall depth, ac current type, 3.750 inches nominal overall height, electrical timer type, 3.750 inches nominal overall width

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Overall Depth
5.440 inches nominal
Overall Height
3.750 inches nominal
Overall Width
3.750 inches nominal
Current Type
ac
Timer Type
electrical
Time Indicator Total Capacity
6 hr
Voltage In Volts
115.0
Frequency In Hertz
60.0

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
A-20243-2 Sequential Timer
A-24278-1 Sequential Timer
RS6H115V60HZ Sequential Timer

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
T270-D
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0061237
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
9106903000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
061700
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
34580
National Motor Freight Class Rating
W - Rating variable
Water Commodity
657 - Instruments, electric meter
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
HZ -
National Motor Freight Description
elec appliances/instruments noi

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 6645-00-019-0554

What is the FSCG of the NSN 6645-00-019-0554?
The FSCG of the NSN 6645-00-019-0554 is 6645
Does the NSN 6645-00-019-0554 have a Schedule B code assigned?
Yes, the Schedule B code is 9106903000
Does NSN 6645-00-019-0554 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 6645-00-019-0554 contain precious materials?
Item does not contain precious metal.
Does NSN 6645-00-019-0554 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 6645-00-019-0554 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

Price & Availability

Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:

FREE

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

51031-XX ITEM 72
4720-01-353-0527
Nonmetallic Hose Assembly
51031-XX ITEM 73
4720-01-353-0528
Nonmetallic Hose Assembly
51031-XX REV M ITEM 74
4720-01-353-7456
Nonmetallic Hose Assembly
510310
2610-00-262-8680
Vehicular Pneumatic Tire
5103100
4820-01-364-4562
Manifold Valve Assembly
5103100 ITEM 10
2040-01-149-9528
Windshield Frame
5103100 ITEM 11
2040-01-149-7686
Windshield Frame
5103100 ITEM 16
2040-01-149-7685
Seal Tape
5103100 ITEM 9
2040-01-149-9527
Windshield Frame
510310B180
4820-01-172-8334
Valve Disk
510311
5340-01-707-4843
Lifting Sling Sleeve
510311-1
1720-00-481-4189
Approach Track
510311-2
1720-01-018-7535
Approach Track
5103114
3040-01-175-1155
Hub Clamp
510318-3
4920-01-373-9602
Aircraft Maintenance Fixture