PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4050ABalance Assembly

Wakmann Watch Company Inc · NSN 6645-00-724-6120 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-724-6120 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-724-6120. Primary manufacturer part number: 4050A.
Features
  • Balance Assembly — FSC 6645
  • General Characteristics Item Description: GEAR WHEEL AND COIL SPRING
  • 1 verified cross-reference
  • Primary manufacturer: Wakmann Watch Company Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Balance Assembly, cataloged under National Stock Number 6645-00-724-6120, 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 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-724-6120
Primary Part Number4050A
Item NameBalance Assembly
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
General Characteristics Item DescriptionGEAR WHEEL AND COIL SPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-190-92604050 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
6680-00-490-3434 INTERCHANGEABLE
Tachometer,mechanical,handheld
4910-01-237-02924070 INTERCHANGEABLE
Mounter and Demounter,pneumatic
Hennessy Industries, Llc.
6625-01-266-1782 INTERCHANGEABLE
Test Set,insulation Breakdown
Cross-Reference Index
Part NumberManufacturer
4050A PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
3110-00-190-9260INTERCHANGEABLE
BEARING,BALL,ANNULAR
4050
6680-00-490-3434INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
4910-01-237-0292INTERCHANGEABLE
MOUNTER AND DEMOUNTER,PNEUMATIC
4070
6625-01-266-1782INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN

Frequently Asked Questions

What is NSN 6645-00-724-6120?

NSN 6645-00-724-6120 is a Balance Assembly, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-724-6120?

NSN 6645-00-724-6120 has 1 cross-referenced part number: 4050A (Wakmann Watch Company Inc).

What NSN replaces 6645-00-724-6120?

There are 4 known substitutes for 6645-00-724-6120: 3110-00-190-9260, 6680-00-490-3434, 4910-01-237-0292 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4050A?

Key specifications for 4050A: General Characteristics Item Description: GEAR WHEEL AND COIL SPRING. 1 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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