Clock, Master Regulating6645-01-615-8359

NSN 6645-01-615-8359 · NIIN 016158359 · Part number H429993-1

Raytheon Company Div Corp · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 49956

Government record, cited

NSN 6645-01-615-8359 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-615-8359. Manufacturer of record part number: H429993-1.

Also searched as 6645-01-615-8359 · 6645016158359 · NIIN 016158359 · 01-615-8359 · FSC 6645 Time Measuring Instruments · CAGE 49956 · H429993-1

Nearby stock numbers ← 6645-01-615-6776 Timer, Sequential · 6645-01-615-9875 Timer, Sequential →

Features

Clock,master Regulating — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Raytheon Company Div Corp

Identification

NSN: 6645-01-615-8359
NIIN: 016158359
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: H429993-1
Manufacturer: Raytheon Company Div Corp

General Description

The Clock,master Regulating, cataloged under National Stock Number 6645-01-615-8359, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Raytheon Company Div Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6645-01-615-8359
Primary Part Number	H429993-1
Item Name	Clock,master Regulating
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Raytheon Company Div Corp
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
H429993-1 PRIMARY	Raytheon Company Div Corp (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 6645-01-615-8359?

NSN 6645-01-615-8359 is a Clock,master Regulating, manufactured by Raytheon Company Div Corp, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-615-8359?

NSN 6645-01-615-8359 has 1 manufacturer part number on file: H429993-1 (Raytheon Company Div Corp).

What are the specifications of H429993-1?

Key specifications for H429993-1: Special Features: BRANDYWINE GPS MASTER CLOCK, INTERFACES WITH THE GPS ANTENNA - NAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M.; Part Name Assigned by Controlling Agency: MASTER CLOCK, GPS T; End Item Identification: STANDARD TERMINAL AUTOMATION REPLACEMENT SYSTEM (STARS). 0 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-615-8359 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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