PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

257AGage,surface

L.s. Starrett Company (the) Div Tool Division · NSN 5210-00-242-3898 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-00-242-3898 — this item is cataloged by the U.S. Government under National Stock Number 5210-00-242-3898. Primary manufacturer part number: 257A.
Features
  • Gage,surface — FSC 5210
  • V-Slotted Base: INCLUDED
  • Base Width: 2.500 INCHES NOMINAL IN
  • Spindle Length: 9.000 INCHES NOMINAL IN
  • Design Type: UNIVERSAL
  • Base Length: 3.000 INCHES NOMINAL IN
  • Base Alignment Type: GAGE PIN
  • 1 verified cross-reference
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,surface, cataloged under National Stock Number 5210-00-242-3898, 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 6 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-00-242-3898
Primary Part Number257A
Item NameGage,surface
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
V-Slotted BaseINCLUDED
Base Width2.500 INCHES NOMINAL IN
Spindle Length9.000 INCHES NOMINAL IN
Design TypeUNIVERSAL
Base Length3.000 INCHES NOMINAL IN
Base Alignment TypeGAGE PIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-189-5765 INTERCHANGEABLE
Coil,telephone
6650-01-513-2644 INTERCHANGEABLE
Test Set,optical Power
Cross-Reference Index
Part NumberManufacturer
257A PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
Related Parts
5950-00-189-5765INTERCHANGEABLE
COIL,TELEPHONE
6650-01-513-2644INTERCHANGEABLE
TEST SET,OPTICAL POWER

Frequently Asked Questions

What is NSN 5210-00-242-3898?

NSN 5210-00-242-3898 is a Gage,surface, 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 5210-00-242-3898?

NSN 5210-00-242-3898 has 1 cross-referenced part number: 257A (L.s. Starrett Company (the) Div Tool Division).

What NSN replaces 5210-00-242-3898?

There are 2 known substitutes for 5210-00-242-3898: 5950-00-189-5765, 6650-01-513-2644. Verify interchangeability with system specifications before substitution.

What are the specifications of 257A?

Key specifications for 257A: V-Slotted Base: INCLUDED; Base Width: 2.500 INCHES NOMINAL IN; Spindle Length: 9.000 INCHES NOMINAL IN; Design Type: UNIVERSAL. 6 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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