PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

275-6Caliper,outside

L.s. Starrett Company (the) Div Tool Division · NSN 5210-01-520-8421 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-520-8421 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-520-8421. Primary manufacturer part number: 275-6.
Features
  • Caliper,outside — FSC 5210
  • Size Designator: 6.000 INCHES NOMINAL IN
  • Hinged End Type: SPRING JOINT
  • Leg Shape: ROUND
  • Adjustment Method: SOLID NUT
  • 2 verified cross-references
  • 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 Caliper,outside, cataloged under National Stock Number 5210-01-520-8421, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5210-01-520-8421
Primary Part Number275-6
Item NameCaliper,outside
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Size Designator6.000 INCHES NOMINAL IN
Hinged End TypeSPRING JOINT
Leg ShapeROUND
Adjustment MethodSOLID NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-106-173451307 INTERCHANGEABLE
Gasket
Macleod Inc
5325-00-249-6341 INTERCHANGEABLE
Grommet,nonmetallic
5342-00-319-4101275-6N INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
4330-00-337-661051307 INTERCHANGEABLE
Filter,fluid
Arvinmeritor Inc
2940-00-453-825651307 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5330-00-472-9801 INTERCHANGEABLE
Gasket
5940-00-607-9225 INTERCHANGEABLE
Terminal,wire
3455-01-052-2909736-007063 INTERCHANGEABLE
File,rotary
Doall Baltimore Company
5962-01-211-2649253595-001 INTERCHANGEABLE
Microcircuit,linear
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5310-01-216-2552 INTERCHANGEABLE
Washer,brass Thrus
Cross-Reference Index
Part NumberManufacturer
275-6 PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
51307 L.s. Starrett Company (the) Div Tool Division (USA)
Related Parts
5330-00-106-1734INTERCHANGEABLE
GASKET
51307
5325-00-249-6341INTERCHANGEABLE
GROMMET,NONMETALLIC
5342-00-319-4101INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
275-6N
4330-00-337-6610INTERCHANGEABLE
FILTER,FLUID
51307
2940-00-453-8256INTERCHANGEABLE
FILTER ELEMENT,FLUID
51307
5330-00-472-9801INTERCHANGEABLE
GASKET
5940-00-607-9225INTERCHANGEABLE
TERMINAL,WIRE
3455-01-052-2909INTERCHANGEABLE
FILE,ROTARY
736-007063
5962-01-211-2649INTERCHANGEABLE
MICROCIRCUIT,LINEAR
253595-001
5310-01-216-2552INTERCHANGEABLE
WASHER,BRASS THRUS
3110-01-301-0610INTERCHANGEABLE
BEARING,BALL,THRUST
51307
5940-01-317-7998INTERCHANGEABLE
TERMINAL BOARD
51-307

Frequently Asked Questions

What is NSN 5210-01-520-8421?

NSN 5210-01-520-8421 is a Caliper,outside, 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 5210-01-520-8421?

NSN 5210-01-520-8421 has 2 cross-referenced part numbers: 275-6 (L.s. Starrett Company (the) Div Tool Division), 51307 (L.s. Starrett Company (the) Div Tool Division).

What NSN replaces 5210-01-520-8421?

There are 12 known substitutes for 5210-01-520-8421: 5330-00-106-1734, 5325-00-249-6341, 5342-00-319-4101 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 275-6?

Key specifications for 275-6: Size Designator: 6.000 INCHES NOMINAL IN; Hinged End Type: SPRING JOINT; Leg Shape: ROUND; Adjustment Method: SOLID NUT. 4 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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