PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01638-326Clock Movement,electric

Simplex Time Recorder Llc · NSN 6645-01-354-7351 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-354-7351 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-354-7351. Primary manufacturer part number: 01638-326.
Features
  • Clock Movement,electric — FSC 6645
  • 3 verified cross-references
  • Primary manufacturer: Simplex Time Recorder Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Clock Movement,electric, cataloged under National Stock Number 6645-01-354-7351, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simplex Time Recorder Llc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-354-7351
Primary Part Number01638-326
Item NameClock Movement,electric
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerSimplex Time Recorder Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2920-00-293-5222308 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
2530-00-353-10583388 INTERCHANGEABLE
Lining,friction
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5995-00-969-22623388 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Champion Aerospace Llc
2840-00-984-7734553498 INTERCHANGEABLE
Shaft,turbine,aircraft Gas Turbi
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5950-01-004-5279138C062H04 INTERCHANGEABLE
Transformer,power
Northrop Grumman Support Services Corp
5331-01-053-19423388 INTERCHANGEABLE
O-Ring
Walchem Corp
6505-01-172-69933388 INTERCHANGEABLE
Cefoxitin for Injection
Merck Sharp & Dohme Corp. Dba Merck Div Us Human Health
3110-01-246-7303 INTERCHANGEABLE
Bearing,ball,annular
5340-01-686-6750F518-1K INTERCHANGEABLE
Adapter,tie Down
Peck & Hale, Llc
Cross-Reference Index
Part NumberManufacturer
638-326 Simplex Time Recorder Llc (USA)
01638-326 PRIMARY Simplex Time Recorder Llc (USA)
33-88 Hansen Mfg Co Inc (USA)
Related Parts
2920-00-293-5222INTERCHANGEABLE
SPARK PLUG
308
2530-00-353-1058INTERCHANGEABLE
LINING,FRICTION
3388
5995-00-969-2262INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3388
2840-00-984-7734INTERCHANGEABLE
SHAFT,TURBINE,AIRCRAFT GAS TURBI
553498
5950-01-004-5279INTERCHANGEABLE
TRANSFORMER,POWER
138C062H04
5331-01-053-1942INTERCHANGEABLE
O-RING
3388
6505-01-172-6993INTERCHANGEABLE
CEFOXITIN FOR INJECTION
3388
3110-01-246-7303INTERCHANGEABLE
BEARING,BALL,ANNULAR
5340-01-686-6750INTERCHANGEABLE
ADAPTER,TIE DOWN
F518-1K

Frequently Asked Questions

What is NSN 6645-01-354-7351?

NSN 6645-01-354-7351 is a Clock Movement,electric, manufactured by Simplex Time Recorder Llc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-354-7351?

NSN 6645-01-354-7351 has 3 cross-referenced part numbers: 638-326 (Simplex Time Recorder Llc), 01638-326 (Simplex Time Recorder Llc), 33-88 (Hansen Mfg Co Inc).

What NSN replaces 6645-01-354-7351?

There are 9 known substitutes for 6645-01-354-7351: 2920-00-293-5222, 2530-00-353-1058, 5995-00-969-2262 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01638-326?

Key specifications for 01638-326: End Item Identification: WALL CLOCK; Special Features: 115 VAC VAC. 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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