PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666-2 1/2Gage Stock,thickness

L.s. Starrett Company (the) Div Tool Division · NSN 5210-01-022-4971 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-022-4971 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-022-4971. Primary manufacturer part number: 666-2 1/2.
Features
  • Gage Stock,thickness — FSC 5210
  • Thickness: 0.0250 INCHES NOMINAL IN
  • Interval Line/thickness Markings: INCLUDED
  • Length: 25.000 FEET NOMINAL FT
  • Case: PROVIDED
  • Width: 0.500 INCHES NOMINAL IN
  • 5 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 Gage Stock,thickness, cataloged under National Stock Number 5210-01-022-4971, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5210-01-022-4971
Primary Part Number666-2 1/2
Item NameGage Stock,thickness
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Thickness0.0250 INCHES NOMINAL IN
Interval Line/thickness MarkingsINCLUDED
Length25.000 FEET NOMINAL FT
CasePROVIDED
Width0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5210-00-083-0288599-9642-10 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3110-00-100-354625877 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5210-00-277-1613666-1 1/2 INTERCHANGEABLE
Gage Stock,thickness
L.s. Starrett Company (the) Div Tool Division
5210-00-277-1618599-9642-40 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-277-1619599-9642-50 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-277-1620599-9642-20 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-277-1621599-9642-30 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-357-9434599-9642-60 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-357-9438599-9642-130 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-357-9439666-15 INTERCHANGEABLE
Gage Stock,thickness
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
52799 L.s. Starrett Company (the) Div Tool Division (USA)
GGG-G-17 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
666-2 1/2 PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
GGG-G-17 TY8CL4STB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
599-9642-250 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
Related Parts
5210-00-083-0288INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-10
3110-00-100-3546INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
25877
5210-00-277-1613INTERCHANGEABLE
GAGE STOCK,THICKNESS
666-1 1/2
5210-00-277-1618INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-40
5210-00-277-1619INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-50
5210-00-277-1620INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-20
5210-00-277-1621INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-30
5210-00-357-9434INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-60
5210-00-357-9438INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-130
5210-00-357-9439INTERCHANGEABLE
GAGE STOCK,THICKNESS
666-15
5210-01-023-0333INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-180
5210-01-023-0334INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-120

Frequently Asked Questions

What is NSN 5210-01-022-4971?

NSN 5210-01-022-4971 is a Gage Stock,thickness, 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 5210-01-022-4971?

NSN 5210-01-022-4971 has 5 cross-referenced part numbers: 52799 (L.s. Starrett Company (the) Div Tool Division), GGG-G-17 (Federal Specifications Promulgated by General Services Administration Washington DC), 666-2 1/2 (L.s. Starrett Company (the) Div Tool Division), GGG-G-17 TY8CL4STB (Federal Specifications Promulgated by General Services Administration Washington DC), 599-9642-250 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa).

What NSN replaces 5210-01-022-4971?

There are 12 known substitutes for 5210-01-022-4971: 5210-00-083-0288, 3110-00-100-3546, 5210-00-277-1613 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666-2 1/2?

Key specifications for 666-2 1/2: Thickness: 0.0250 INCHES NOMINAL IN; Interval Line/thickness Markings: INCLUDED; Length: 25.000 FEET NOMINAL FT; Case: PROVIDED. 5 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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