PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4993Stopwatch

Sportsman's Market, Inc. Div Sportys · NSN 6645-01-558-6229 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-558-6229 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-558-6229. Primary manufacturer part number: 4993.
Features
  • Stopwatch — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Sportsman's Market, Inc. Div Sportys
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stopwatch, cataloged under National Stock Number 6645-01-558-6229, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sportsman's Market, Inc. Div Sportys. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-558-6229
Primary Part Number4993
Item NameStopwatch
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerSportsman's Market, Inc. Div Sportys
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-005-6935311-0350-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
2930-00-437-05814993 INTERCHANGEABLE
Shaft Assembly
Evans Tempcon Michigan, Llc
4240-01-493-9454499-3 INTERCHANGEABLE
Float,cover
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
4993 PRIMARY Sportsman's Market, Inc. Div Sportys (USA)
Related Parts
5905-00-005-6935INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-0350-00
2930-00-437-0581INTERCHANGEABLE
SHAFT ASSEMBLY
4993
4240-01-493-9454INTERCHANGEABLE
FLOAT,COVER
499-3

Frequently Asked Questions

What is NSN 6645-01-558-6229?

NSN 6645-01-558-6229 is a Stopwatch, manufactured by Sportsman's Market, Inc. Div Sportys, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-558-6229?

NSN 6645-01-558-6229 has 1 cross-referenced part number: 4993 (Sportsman's Market, Inc. Div Sportys).

What NSN replaces 6645-01-558-6229?

There are 3 known substitutes for 6645-01-558-6229: 5905-00-005-6935, 2930-00-437-0581, 4240-01-493-9454. Verify interchangeability with system specifications before substitution.

What are the specifications of 4993?

Key specifications for 4993: Part Name Assigned by Controlling Agency: DELUXE FLIGHT TIMER; Special Features: DUAL RED LED FLASH TO ANNOUNCE TIMER, EXPIRATION , LARGE EASY TO READ SCREEN WITH LARGE NUMBERS, WIDE BUTTONSARE EASY TO PRESS, TWO INDEPENDENT TIMERS. 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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