PartsTable
Technical Data Sheet
129561 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include overall_width: 1.0020 INCHES MAXIMUM IN, outside_diameter: 4.8760 INCHES MAXIMUM IN, end_item_identification: HEAVY EXPANDED MOBILITY TACTICAL TRUCK, (HEMTT), 2320-01-097-0260. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-119-2075, 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
129561
NSN: 5310-00-119-2075
FSC: 5310
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
overall_width1.0020 INCHES MAXIMUM IN
outside_diameter4.8760 INCHES MAXIMUM IN
end_item_identificationHEAVY EXPANDED MOBILITY TACTICAL TRUCK, (HEMTT), 2320-01-097-0260
NSN5310-00-119-2075
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 129561 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE: 0.625 INCHES IN
THREAD QUANTITY PER INCH: 11
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD CLASS: 2B
NUT HEIGHT: 0.547 INCHES NOMINAL IN
WIDTH ACROSS FLATS: 0.938 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD QUANTITY PER INCH11
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD CLASS2B
NUT HEIGHT0.547 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.938 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
AS4875Interchangeable
interchangeable cross-reference
interchangeable
AS5161Interchangeable
interchangeable cross-reference
interchangeable
AN775-4Interchangeable
interchangeable cross-reference
interchangeable
129561Interchangeable
interchangeable cross-reference
interchangeable
4809Interchangeable
interchangeable cross-reference
interchangeable
9HE97Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 129561?
129561 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 129561?
There are 6 known substitutes for 129561: AS4875, AS5161, AN775-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 129561?
129561 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-119-2075. This indicates validated use in U.S. government and defense supply chains.
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