PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200303Timer,stop

Kiefer Mcneil · NSN 6645-01-123-9277 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-123-9277 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-123-9277. Primary manufacturer part number: 200303.
Features
  • Timer,stop — FSC 6645
  • Frequency in Hertz: 60.0
  • Mounting Method: PORTABLE CASE
  • Illuminated Feature: NOT INCLUDED
  • Dial Minimum Graduation: 1 MIN
  • Hand Color: BLACK AND RED
  • Timer Type: ELECTRICAL
  • Luminous Numeral: NOT INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,stop, cataloged under National Stock Number 6645-01-123-9277, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kiefer Mcneil. Government technical data includes 19 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-123-9277
Primary Part Number200303
Item NameTimer,stop
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerKiefer Mcneil
StatusACTIVE
Frequency in Hertz60.0
Mounting MethodPORTABLE CASE
Illuminated FeatureNOT INCLUDED
Dial Minimum Graduation1 MIN
Hand ColorBLACK AND RED
Timer TypeELECTRICAL
Luminous NumeralNOT INCLUDED
Control TypeKNOB
Dial Size42 IN. BY 41 IN. IN
Reset TypeMANUAL
Operation MethodMOTOR DRIVEN
DC Operated ClutchNOT INCLUDED
Time Indicator Total Capacity60 MIN
Inscription ColorBLACK
Dial Background ColorWHITE
Hand Designation and Quantity1 MINUTE HAND AND 1 SWEEP SECOND HAND
Luminous HandNOT INCLUDED
Voltage in Volts115.0
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-163-89153222-7036-5 INTERCHANGEABLE
Plug,rotary,valve
Kidde Fire Fighting, Inc. Div National Foam
5330-00-291-8990114658 INTERCHANGEABLE
Gasket
Curtiss-Wright Controls, Inc. Div Actuation Division
5995-01-060-0672200303 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Spectrum Microwave, Inc.
3110-01-272-98532003-03 INTERCHANGEABLE
Bearing,ball,annular
Leeson Electric Corp
6920-01-509-1997 INTERCHANGEABLE
Target,tow Infltble
6230-01-512-3373200303 INTERCHANGEABLE
Flashlight
Koehler-Bright Star Llc
5305-01-589-489392196A267 INTERCHANGEABLE
Screw,cap,socket Head
Mcmaster-Carr Supply Company
5935-01-695-2036200303 INTERCHANGEABLE
Cover,electrical Connector
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
200303 PRIMARY Kiefer Mcneil (USA)
Related Parts
4820-00-163-8915INTERCHANGEABLE
PLUG,ROTARY,VALVE
3222-7036-5
5330-00-291-8990INTERCHANGEABLE
GASKET
114658
5995-01-060-0672INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
200303
3110-01-272-9853INTERCHANGEABLE
BEARING,BALL,ANNULAR
2003-03
6920-01-509-1997INTERCHANGEABLE
TARGET,TOW INFLTBLE
6230-01-512-3373INTERCHANGEABLE
FLASHLIGHT
200303
5305-01-589-4893INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
92196A267
5935-01-695-2036INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
200303

Frequently Asked Questions

What is NSN 6645-01-123-9277?

NSN 6645-01-123-9277 is a Timer,stop, manufactured by Kiefer Mcneil, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-123-9277?

NSN 6645-01-123-9277 has 1 cross-referenced part number: 200303 (Kiefer Mcneil).

What NSN replaces 6645-01-123-9277?

There are 8 known substitutes for 6645-01-123-9277: 4820-00-163-8915, 5330-00-291-8990, 5995-01-060-0672 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200303?

Key specifications for 200303: Frequency in Hertz: 60.0; Mounting Method: PORTABLE CASE; Special Features: RUST PROOF TEMPERED AL HANDS,CLEAR PLASTIC LENS,PLASTIC NUTS AND BOLTS,ROLL AWAY STAND; Illuminated Feature: NOT INCLUDED. 20 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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