PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T2-1Coupling,shaft,flexible

Roller Bearing Co of America, Inc Div Pic Design · NSN 3010-00-051-1503 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-051-1503 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-051-1503. Primary manufacturer part number: T2-1.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Threaded Hole Quantity: 1 BOTH ENDS
  • Design Type: SPRING WASHER
  • Threaded Hole Location: BOTH ENDS: LOCATED ON PERIPHERY OF HUB, 0.125 IN. FROM END IN
  • Bore Diameter: 0.1250 INCHES NOMINAL BOTH ENDS IN
  • Thread Size Designator: NO. 2/0.086 IN./-56 BOTH ENDS IN
  • Outside Diameter: 1.563 INCHES NOMINAL1.563 INCHES NOMINAL IN
  • Bore Length: 0.3900 INCHES NOMINAL BOTH ENDS IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-051-1503, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3010-00-051-1503
Primary Part NumberT2-1
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Threaded Hole Quantity1 BOTH ENDS
Design TypeSPRING WASHER
Threaded Hole LocationBOTH ENDS: LOCATED ON PERIPHERY OF HUB, 0.125 IN. FROM END IN
Bore Diameter0.1250 INCHES NOMINAL BOTH ENDS IN
Thread Size DesignatorNO. 2/0.086 IN./-56 BOTH ENDS IN
Outside Diameter1.563 INCHES NOMINAL1.563 INCHES NOMINAL IN
Bore Length0.3900 INCHES NOMINAL BOTH ENDS IN
Securing MethodTHREADED HOLE(S) BOTH ENDS
Features ProvidedEXPOSED COUPLING BOLT TYPE
Bore ShapeSTRAIGHT BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-117-807159-T-58 INTERCHANGEABLE
Switch,thermostatic
Universal Engine Heater Co.
3910-00-757-4376T21 INTERCHANGEABLE
Mandrel Tool
Standard Pneumatic Systems Inc
5345-01-036-895708834181747 INTERCHANGEABLE
Abrasive Roll
Saint-Gobain Abrasives Inc
5950-01-106-1218T2-1 INTERCHANGEABLE
Transformer,radio Frequency
Scientific Components Corp Dba Mini-Circuits
2810-01-122-6901 INTERCHANGEABLE
Neck,oil Filler
5330-01-325-1220T21 INTERCHANGEABLE
Pump Seal Assembly
Buffaloes Fire Pump Inc. Dba R B Pump Co
5130-01-421-0691T21 INTERCHANGEABLE
Rivet Set,blank,pneumatic Tool
Taumel Noiseless Riveters
6675-01-573-7161T2-1 INTERCHANGEABLE
Theodolite,surveying
Lockheed Martin Corporation
5120-01-577-7890T-21 INTERCHANGEABLE
Driver,armature Wedge
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
3110-01-648-7183T21 INTERCHANGEABLE
Bearing,ball,airframe
Textron Aviation Inc
Cross-Reference Index
Part NumberManufacturer
T2-1 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
632344 Linotype Co Div of Allied Corp (USA)
Related Parts
5930-00-117-8071INTERCHANGEABLE
SWITCH,THERMOSTATIC
59-T-58
3910-00-757-4376INTERCHANGEABLE
MANDREL TOOL
T21
5345-01-036-8957INTERCHANGEABLE
ABRASIVE ROLL
08834181747
5950-01-106-1218INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
T2-1
2810-01-122-6901INTERCHANGEABLE
NECK,OIL FILLER
5330-01-325-1220INTERCHANGEABLE
PUMP SEAL ASSEMBLY
T21
5130-01-421-0691INTERCHANGEABLE
RIVET SET,BLANK,PNEUMATIC TOOL
T21
6675-01-573-7161INTERCHANGEABLE
THEODOLITE,SURVEYING
T2-1
5120-01-577-7890INTERCHANGEABLE
DRIVER,ARMATURE WEDGE
T-21
3110-01-648-7183INTERCHANGEABLE
BEARING,BALL,AIRFRAME
T21

Frequently Asked Questions

What is NSN 3010-00-051-1503?

NSN 3010-00-051-1503 is a Coupling,shaft,flexible, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-051-1503?

NSN 3010-00-051-1503 has 2 cross-referenced part numbers: T2-1 (Roller Bearing Co of America, Inc Div Pic Design), 632344 (Linotype Co Div of Allied Corp).

What NSN replaces 3010-00-051-1503?

There are 10 known substitutes for 3010-00-051-1503: 5930-00-117-8071, 3910-00-757-4376, 5345-01-036-8957 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T2-1?

Key specifications for T2-1: Threaded Hole Quantity: 1 BOTH ENDS; Design Type: SPRING WASHER; Threaded Hole Location: BOTH ENDS: LOCATED ON PERIPHERY OF HUB, 0.125 IN. FROM END IN; Bore Diameter: 0.1250 INCHES NOMINAL BOTH ENDS IN. 11 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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