PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50043Head,protractor,combination Squa

L.s. Starrett Company (the) Div Tool Division · NSN 5210-01-681-5742 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-681-5742 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-681-5742. Primary manufacturer part number: 50043.
Features
  • Head,protractor,combination Squa — FSC 5210
  • 1 verified cross-reference
  • Primary manufacturer: L.s. Starrett Company (the) Div Tool Division
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Head,protractor,combination Squa, cataloged under National Stock Number 5210-01-681-5742, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is L.s. Starrett Company (the) Div Tool Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-01-681-5742
Primary Part Number50043
Item NameHead,protractor,combination Squa
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-02391701314 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Heil Environmental Industries
5307-00-141-264950-043 INTERCHANGEABLE
Stud,plain
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5815-00-228-6754SC-C-69992-22 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-292-16431B1072 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
1650-00-573-957650043 INTERCHANGEABLE
Piston and Sleeve a
Hydro-Aire Aerospace Corp
6350-00-980-8233 INTERCHANGEABLE
Buzzer
4730-01-095-2120500-43 INTERCHANGEABLE
Chuck,air,inflating
Milton Industries, Inc
5360-01-180-238650043-1316 INTERCHANGEABLE
Spring,helical,compression
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
5315-01-240-151550043 INTERCHANGEABLE
Key in Kit
Altra Industrial Motion Corp.
5330-01-280-7484 INTERCHANGEABLE
Seal,plain
Cross-Reference Index
Part NumberManufacturer
50043 PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
Related Parts
3110-00-100-0239INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1701314
5307-00-141-2649INTERCHANGEABLE
STUD,PLAIN
50-043
5815-00-228-6754INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-22
5330-00-292-1643INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B1072
1650-00-573-9576INTERCHANGEABLE
PISTON AND SLEEVE A
50043
6350-00-980-8233INTERCHANGEABLE
BUZZER
4730-01-095-2120INTERCHANGEABLE
CHUCK,AIR,INFLATING
500-43
5360-01-180-2386INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50043-1316
5315-01-240-1515INTERCHANGEABLE
KEY IN KIT
50043
5330-01-280-7484INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 5210-01-681-5742?

NSN 5210-01-681-5742 is a Head,protractor,combination Squa, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210 (No Item Name Available). Status: active.

What are the part numbers for NSN 5210-01-681-5742?

NSN 5210-01-681-5742 has 1 cross-referenced part number: 50043 (L.s. Starrett Company (the) Div Tool Division).

What NSN replaces 5210-01-681-5742?

There are 10 known substitutes for 5210-01-681-5742: 3110-00-100-0239, 5307-00-141-2649, 5815-00-228-6754 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50043?

Key specifications for 50043: End Item Identification: COMBINATION SET WITH SQUARE; Part Name Assigned by Controlling Agency: HEAD,PROTRACTOR,COMBINATION SQUARE. 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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