PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CF644Rule,machinist's

General Tools Manufacturing Co., Llc. · NSN 5210-01-368-4512 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-368-4512 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-368-4512. Primary manufacturer part number: CF644.
Features
  • Rule,machinist's — FSC 5210
  • Edge Smallest Graduation Unit: 1/64 INCH AND 1/32 INCH AND 1/16 INCH AND 1/8 INCH IN
  • Width: 0.500 INCHES NOMINAL IN
  • Length: 6.000 INCHES IN
  • Reading Direction: RIGHT
  • Beveled Edge: NOT INCLUDED
  • Tapered End: NOT INCLUDED
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Rule,machinist's, cataloged under National Stock Number 5210-01-368-4512, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is General Tools Manufacturing Co., Llc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5210-01-368-4512
Primary Part NumberCF644
Item NameRule,machinist's
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerGeneral Tools Manufacturing Co., Llc.
StatusACTIVE
Edge Smallest Graduation Unit1/64 INCH AND 1/32 INCH AND 1/16 INCH AND 1/8 INCH IN
Width0.500 INCHES NOMINAL IN
Length6.000 INCHES IN
Reading DirectionRIGHT
Beveled EdgeNOT INCLUDED
Tapered EndNOT INCLUDED
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-176-8090 INTERCHANGEABLE
Nut,plain,castellated,hexagon
2810-00-479-309733018 INTERCHANGEABLE
Body,oil Scavenge Pump
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5935-00-581-13858897525 INTERCHANGEABLE
Plug,tip
Us Army Aviation and Missile Command
2540-01-024-16601028 INTERCHANGEABLE
Refill Blade,wiper
Pylon Mfg Corp
4730-01-362-2953 INTERCHANGEABLE
Elbow,flange
5420-01-365-7915A358 INTERCHANGEABLE
Bag,bailey Bridge Parts and Tool
C & S Antennas, Inc Dba C & S Antennas Inc
5340-01-424-3371240161 INTERCHANGEABLE
Slide,drawer,extension
Renk America Llc Div Renk America
6240-01-474-181133018 INTERCHANGEABLE
Lamp,fluorescent
Technical Consumer Products, Inc.
2090-01-527-880433018 INTERCHANGEABLE
Blade,windshield Wiper
Ongaro Marine Ltd
5310-01-584-332833018 INTERCHANGEABLE
Washer,flat
Fastenal Co Dba Fastenal Co Div Fastenal Manufacturing
Cross-Reference Index
Part NumberManufacturer
33018 General Tools Manufacturing Co., Llc. (USA)
CF644 PRIMARY General Tools Manufacturing Co., Llc. (USA)
CF644 General Hardware Mfg Co Inc (USA)
Related Parts
5310-00-176-8090INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
2810-00-479-3097INTERCHANGEABLE
BODY,OIL SCAVENGE PUMP
33018
5935-00-581-1385INTERCHANGEABLE
PLUG,TIP
8897525
2540-01-024-1660INTERCHANGEABLE
REFILL BLADE,WIPER
1028
4730-01-362-2953INTERCHANGEABLE
ELBOW,FLANGE
5420-01-365-7915INTERCHANGEABLE
BAG,BAILEY BRIDGE PARTS AND TOOL
A358
5340-01-424-3371INTERCHANGEABLE
SLIDE,DRAWER,EXTENSION
240161
6240-01-474-1811INTERCHANGEABLE
LAMP,FLUORESCENT
33018
2090-01-527-8804INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
33018
5310-01-584-3328INTERCHANGEABLE
WASHER,FLAT
33018
5310-01-615-9917INTERCHANGEABLE
WASHER,FLAT
33018
3110-01-644-5260INTERCHANGEABLE
BEARING,ROLLER,TAPERED
33018

Frequently Asked Questions

What is NSN 5210-01-368-4512?

NSN 5210-01-368-4512 is a Rule,machinist's, manufactured by General Tools Manufacturing Co., Llc., classified under FSC 5210 (No Item Name Available). Status: active.

What are the part numbers for NSN 5210-01-368-4512?

NSN 5210-01-368-4512 has 3 cross-referenced part numbers: 33018 (General Tools Manufacturing Co., Llc.), CF644 (General Tools Manufacturing Co., Llc.), CF644 (General Hardware Mfg Co Inc).

What NSN replaces 5210-01-368-4512?

There are 12 known substitutes for 5210-01-368-4512: 5310-00-176-8090, 2810-00-479-3097, 5935-00-581-1385 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CF644?

Key specifications for CF644: Edge Smallest Graduation Unit: 1/64 INCH AND 1/32 INCH AND 1/16 INCH AND 1/8 INCH IN; Width: 0.500 INCHES NOMINAL IN; Length: 6.000 INCHES IN; Reading Direction: RIGHT. 8 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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