Meter, Time Totalizing6645-01-313-2715

NSN 6645-01-313-2715 · NIIN 013132715 · Part number 10-2540 TYF

L3 Technologies, Inc. · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 28199

Government record, cited

NSN 6645-01-313-2715 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-313-2715. Manufacturer of record part number: 10-2540 TYF.

Also searched as 6645-01-313-2715 · 6645013132715 · NIIN 013132715 · 01-313-2715 · FSC 6645 Time Measuring Instruments · CAGE 28199 · 10-2540 TYF · 10-2537 PC44

Nearby stock numbers ← 6645-01-313-1217 · 6645-01-313-2769 Timer, Sequential →

Features

Meter,time Totalizing — FSC 6645
2 manufacturer part numbers on file
Manufacturer of record: L3 Technologies, Inc.

Identification

NSN: 6645-01-313-2715
NIIN: 013132715
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 10-2540 TYF
Manufacturer: L3 Technologies, Inc.

General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-313-2715, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is L3 Technologies, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6645-01-313-2715
Primary Part Number	10-2540 TYF
Item Name	Meter,time Totalizing
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	L3 Technologies, Inc.
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	S

Cross-Reference Index

Part Number	Manufacturer
10-2540 TYF PRIMARY	L3 Technologies, Inc. (USA)
10-2537 PC44	L3 Technologies, Inc. (USA)

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 6645-01-313-2715?

NSN 6645-01-313-2715 is a Meter,time Totalizing, manufactured by L3 Technologies, Inc., classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-313-2715?

NSN 6645-01-313-2715 has 2 manufacturer part numbers on file: 10-2540 TYF (L3 Technologies, Inc.), 10-2537 PC44 (L3 Technologies, Inc.).

What are the specifications of 10-2540 TYF?

Key specifications for 10-2540 TYF: End Item Identification: CLOCK,MASTER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-313-2715 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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