Timer, Sequential6645-01-253-5316

NSN 6645-01-253-5316 · NIIN 012535316

FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6645-01-253-5316 · 6645012535316 · NIIN 012535316 · 01-253-5316 · FSC 6645 Time Measuring Instruments

Nearby stock numbers ← 6645-01-253-5315 Timer, Sequential · 6645-01-253-6023 Meter, Time Totalizing →

Features

Timer,sequential — FSC 6645
Frequency in Hertz: 50.0 OR 60.0
Current Type: AC
Interval Expiration Signalling Device: INCLUDED
Time Indicator Total Capacity: 59 MIN,59.9 SEC
Mounting Method: TABLE OR WALL LOCATION NOT OTHERWISE SPECIFIED
Independently Operated Clock: NOT INCLUDED
Voltage in Volts: 100.0 OR 130.0

Identification

NSN: 6645-01-253-5316
NIIN: 012535316
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-253-5316, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	6645-01-253-5316
Item Name	Timer,sequential
FSC / FSG	6645 / 66 — Time Measuring Instruments
Status	ACTIVE
Frequency in Hertz	50.0 OR 60.0
Current Type	AC
Interval Expiration Signalling Device	INCLUDED
Time Indicator Total Capacity	59 MIN,59.9 SEC
Mounting Method	TABLE OR WALL LOCATION NOT OTHERWISE SPECIFIED
Independently Operated Clock	NOT INCLUDED
Voltage in Volts	100.0 OR 130.0
Luminous Numeral	INCLUDED
Timer Type	SOLID STATE
Automatic Electric Circuit Control Switch	INCLUDED

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
5-525-156	3/9 Design control — primary reference U.S. Government activity

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 6645-01-253-5316?

NSN 6645-01-253-5316 is a Timer,sequential, classified under FSC 6645, Time Measuring Instruments. Status: active.

What are the specifications of 6645-01-253-5316?

Key specifications for 6645-01-253-5316: Overall Height: 4.500 INCHES NOMINAL IN; Frequency in Hertz: 50.0 OR 60.0; Current Type: AC; Interval Expiration Signalling Device: INCLUDED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-253-5316 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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