PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25RContact Point Set,measuring Inst

L.s. Starrett Company (the) Div Tool Division · NSN 5210-01-521-9864 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-521-9864 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-521-9864. Primary manufacturer part number: 25R.
Features
  • Contact Point Set,measuring Inst — FSC 5210
  • General Characteristics Item Description: CONTAINS 14 CONTACT POINTS; 1 REGULAR 1/4 IN. LONG POINT, 9 SPECIAL FORM POINTS, SHOCK ABSORBING ANVIL AND 3 EXTRA LONG POINTS (1/2, 3/4 AND 1 IN.); HIGH GRADE STEEL; HARDENDED AND GROUND; 4-48 THREADS; POINTS ARE MOUNTED ON ALUMINUM RING FOR SAFE KEEPING IN
  • 3 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 Contact Point Set,measuring Inst, cataloged under National Stock Number 5210-01-521-9864, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-01-521-9864
Primary Part Number25R
Item NameContact Point Set,measuring Inst
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
General Characteristics Item DescriptionCONTAINS 14 CONTACT POINTS; 1 REGULAR 1/4 IN. LONG POINT, 9 SPECIAL FORM POINTS, SHOCK ABSORBING ANVIL AND 3 EXTRA LONG POINTS (1/2, 3/4 AND 1 IN.); HIGH GRADE STEEL; HARDENDED AND GROUND; 4-48 THREADS; POINTS ARE MOUNTED ON ALUMINUM RING FOR SAFE KEEPING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-154-904204240AB INTERCHANGEABLE
Seal,plain Encased
Cnh Industrial America Llc Dba Cnh America
5120-00-237-0977 INTERCHANGEABLE
Socket,socket Wrench
3930-00-238-00216276-4 INTERCHANGEABLE
Gland,packing
Landoll Company, Llc
5307-00-521-8477SCB69508 INTERCHANGEABLE
Stud,shouldered and Stepped
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-00-567-1462 INTERCHANGEABLE
File,rotary
5930-00-966-30602-7800-7 INTERCHANGEABLE
Switch,liquid Level
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5930-01-383-26067HA679 INTERCHANGEABLE
Boot,dust and Moisture Seal
Oshkosh Defense Llc
5305-01-549-379450153 INTERCHANGEABLE
Setscrew
American Apex Corporation
5360-01-734-565950153 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
25R PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
50153 L.s. Starrett Company (the) Div Tool Division (USA)
3V179 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5330-00-154-9042INTERCHANGEABLE
SEAL,PLAIN ENCASED
04240AB
5120-00-237-0977INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3930-00-238-0021INTERCHANGEABLE
GLAND,PACKING
6276-4
5307-00-521-8477INTERCHANGEABLE
STUD,SHOULDERED AND STEPPED
SCB69508
3455-00-567-1462INTERCHANGEABLE
FILE,ROTARY
5930-00-966-3060INTERCHANGEABLE
SWITCH,LIQUID LEVEL
2-7800-7
5930-01-383-2606INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
7HA679
5305-01-549-3794INTERCHANGEABLE
SETSCREW
50153
5360-01-734-5659INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50153

Frequently Asked Questions

What is NSN 5210-01-521-9864?

NSN 5210-01-521-9864 is a Contact Point Set,measuring Inst, 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 5210-01-521-9864?

NSN 5210-01-521-9864 has 3 cross-referenced part numbers: 25R (L.s. Starrett Company (the) Div Tool Division), 50153 (L.s. Starrett Company (the) Div Tool Division), 3V179 (W.w. Grainger, Inc. Div Government Sales Division).

What NSN replaces 5210-01-521-9864?

There are 9 known substitutes for 5210-01-521-9864: 5330-00-154-9042, 5120-00-237-0977, 3930-00-238-0021 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25R?

Key specifications for 25R: General Characteristics Item Description: CONTAINS 14 CONTACT POINTS; 1 REGULAR 1/4 IN. LONG POINT, 9 SPECIAL FORM POINTS, SHOCK ABSORBING ANVIL AND 3 EXTRA LONG POINTS (1/2, 3/4 AND 1 IN.); HIGH GRADE STEEL; HARDENDED AND GROUND; 4-48 THREADS; POINTS ARE MOUNTED ON ALUMINUM RING FOR SAFE KEEPING IN. 1 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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