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5157-434 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5157-434: CUP,TAPERED ROLLER BEARING.

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 end_item_identification: MCD8-100T CONCRETE MIXER, part_name_assigned_by_controlling_agency: BEARING-CUP. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-515-7434, 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
5157-434
NSN: 5315-00-515-7434
NIINs: 005157434, 016432106
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
end_item_identificationMCD8-100T CONCRETE MIXER
part_name_assigned_by_controlling_agencyBEARING-CUP
NSN5315-00-515-7434
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5157-434 · 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
•
UNDERCUT WIDTH: 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.736 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM 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
UNDERCUT WIDTH0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.736 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
HARDNESS RATING88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN
DIAMETER0.2000 INCHES MINIMUM AND 0.2005 INCHES MAXIMUM IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES 1
5315-515-7434Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5157-434?
5157-434 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 5157-434?
There is 1 known substitute for 5157-434: 5315-515-7434. Substitute compatibility should be verified for your specific system.
What is the NSN for 5157-434?
5157-434 is cataloged in the U.S. Government catalog under NSN 5315-00-515-7434. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.