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Technical Data Sheet
PartsTable / COMPONENT / 3-1/2-R
3-1/2-R ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 3-1/2-R is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3444-00-238-1642, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3-1/2-R
NSN: 3444-00-238-1642
FSC: 3444
CAGE: 21482 — BELCO INDUSTRIES, INC. DBA BELCO INDUSTRIES INC DIV FAMCO MACHINE DIVISION (USA)
SPECIFICATIONS
Part Number3-1/2-R
NSN3444-00-238-1642
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 3-1/2-R TITLE COMPONENT PN 3-1/2-R MFR 3-1/2-R
KEY FEATURES
•
MAXIMUM MATERIAL DIAMETER ACCOMMODATED: 18.000 INCHES IN
•
FIXED DISTANCE BETWEEN BED FACILITIES: 3.625 INCHES MINIMUM PLATE IN
•
RAM TRAVEL DISTANCE: 17.500 INCHES NOMINAL IN
•
MOUNTING METHOD: FLOOR
•
PRESSURE CAPACITY: ERR-060
•
DESIGN TYPE: MECHANICAL
•
FURNISHED ITEMS AND QUANTITY: 1 FLOOR STAND
•
SWIVEL PLATE: INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM MATERIAL DIAMETER ACCOMMODATED18.000 INCHES IN
FIXED DISTANCE BETWEEN BED FACILITIES3.625 INCHES MINIMUM PLATE IN
RAM TRAVEL DISTANCE17.500 INCHES NOMINAL IN
MOUNTING METHODFLOOR
PRESSURE CAPACITYERR-060
DESIGN TYPEMECHANICAL
FURNISHED ITEMS AND QUANTITY1 FLOOR STAND
SWIVEL PLATEINCLUDED
COLUMN TYPESINGLE
MINIMUM DISTANCE BETWEEN RAM AND WORKING SURFACE16.000 INCHES PLATE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
87-0146Interchangeable
interchangeable cross-reference
interchangeable
AN3139R312Interchangeable
interchangeable cross-reference
interchangeable
312RInterchangeable
interchangeable cross-reference
interchangeable
MIL-P-80261Interchangeable
interchangeable cross-reference
interchangeable
A-A-59174Interchangeable
interchangeable cross-reference
interchangeable
OO-P-636Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-1/2-R?
3-1/2-R is a 3-1/2-R.
What parts can replace 3-1/2-R?
There are 10 known substitutes for 3-1/2-R: 87-0146, AN3139R312, 312R and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-1/2-R?
3-1/2-R is cataloged in the Federal Logistics Information System (FLIS) under NSN 3444-00-238-1642. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026