PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M276Protractor,semicircular

C-Thru Ruler Co · NSN 6675-01-229-1246 · FSC 6675 · No Item Name Available
Verified by PartsTable
NSN 6675-01-229-1246 — this item is cataloged by the U.S. Government under National Stock Number 6675-01-229-1246. Primary manufacturer part number: M276.
Features
  • Protractor,semicircular — FSC 6675
  • 1 verified cross-reference
  • Primary manufacturer: C-Thru Ruler Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Protractor,semicircular, cataloged under National Stock Number 6675-01-229-1246, is classified within Federal Supply Class 6675 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is C-Thru Ruler Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameProtractor,semicircular
FSC / FSG6675 — No Item Name Available (FSG 66)
ManufacturersC-Thru Ruler Co (CAGE 73539)
Technical Specifications
ParameterValue
NSN6675-01-229-1246
Primary Part NumberM276
Item NameProtractor,semicircular
FSC / FSG6675 / 66 — No Item Name Available
ManufacturerC-Thru Ruler Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-423-8121S1614 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
M276 PRIMARY C-Thru Ruler Co (USA)
Related Parts
5306-00-423-8121INTERCHANGEABLE
BOLT,MACHINE
S1614

Frequently Asked Questions

What is NSN 6675-01-229-1246?

NSN 6675-01-229-1246 is a Protractor,semicircular, manufactured by C-Thru Ruler Co, classified under FSC 6675 (No Item Name Available). Status: active.

What are the part numbers for NSN 6675-01-229-1246?

NSN 6675-01-229-1246 has 1 cross-referenced part number: M276 (C-Thru Ruler Co).

What NSN replaces 6675-01-229-1246?

There is 1 known substitute for 6675-01-229-1246: 5306-00-423-8121. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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