PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7308Stopwatch

Wakmann Watch Company Inc · NSN 6645-01-078-8663 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-078-8663 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-078-8663. Primary manufacturer part number: 7308.
Features
  • Stopwatch — FSC 6645
  • Material: PLASTIC CASE
  • Submersibility: NONSUBMERSIBLE
  • 1 verified cross-reference
  • Primary manufacturer: Wakmann Watch Company Inc
Applications
  • Applications requiring Plastic Case construction
General Description

The Stopwatch, cataloged under National Stock Number 6645-01-078-8663, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Wakmann Watch Company Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-078-8663
Primary Part Number7308
Item NameStopwatch
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
MaterialPLASTIC CASE
SubmersibilityNONSUBMERSIBLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-8049 INTERCHANGEABLE
Bearing,ball,annular
5940-00-242-09497308 INTERCHANGEABLE
Post,binding,electrical
Eby Group, Llc, the Dba Eby Company Div Eby Company
5120-00-293-0316 INTERCHANGEABLE
Wrench,spanner
3815-00-352-081810349G200T1 INTERCHANGEABLE
Tooth,surface Ripping
Chief of Engineers Dept of Army
3040-00-370-14837308C001 INTERCHANGEABLE
Shaft,shouldered
Edo Artisan Inc
2825-00-446-92147308 INTERCHANGEABLE
Weight W Pin
Northrop Grumman Systems Corporation Div Marine Systems
3110-00-554-5966297378 INTERCHANGEABLE
Bearing,ball,annular
Acf Industries Inc
6625-00-627-9616840668-00 INTERCHANGEABLE
Voltage Standard
Atomic Energy Commission Oak Ridge Opns Office
5960-00-806-5614 INTERCHANGEABLE
Electron Tube
5330-00-831-25547308 INTERCHANGEABLE
Packing,preformed
Harbormaster Marine, Inc
Cross-Reference Index
Part NumberManufacturer
7308 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
3110-00-156-8049INTERCHANGEABLE
BEARING,BALL,ANNULAR
5940-00-242-0949INTERCHANGEABLE
POST,BINDING,ELECTRICAL
7308
5120-00-293-0316INTERCHANGEABLE
WRENCH,SPANNER
3815-00-352-0818INTERCHANGEABLE
TOOTH,SURFACE RIPPING
10349G200T1
3040-00-370-1483INTERCHANGEABLE
SHAFT,SHOULDERED
7308C001
2825-00-446-9214INTERCHANGEABLE
WEIGHT W PIN
7308
3110-00-554-5966INTERCHANGEABLE
BEARING,BALL,ANNULAR
297378
6625-00-627-9616INTERCHANGEABLE
VOLTAGE STANDARD
840668-00
5960-00-806-5614INTERCHANGEABLE
ELECTRON TUBE
5330-00-831-2554INTERCHANGEABLE
PACKING,PREFORMED
7308
6850-00-933-7091INTERCHANGEABLE
LEAK TEST COMPOUND
5960-00-957-9830INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 6645-01-078-8663?

NSN 6645-01-078-8663 is a Stopwatch, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-078-8663?

NSN 6645-01-078-8663 has 1 cross-referenced part number: 7308 (Wakmann Watch Company Inc).

What NSN replaces 6645-01-078-8663?

There are 12 known substitutes for 6645-01-078-8663: 3110-00-156-8049, 5940-00-242-0949, 5120-00-293-0316 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7308?

Key specifications for 7308: Material: PLASTIC CASE; Submersibility: NONSUBMERSIBLE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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