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Technical Data Sheet
PartsTable / COMPONENT / SS74340
SS74340 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: COPPER ALLOY 172 OVERALL, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.0800 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN, hole_diameter: 0.3600 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM FIRST IN, overall_length: 0.8500 INCHES MINIMUM AND 0.8610 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-345-9496, 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
SS74340
NSN: 3120-00-345-9496
FSC: 3120
CAGE: 59915 — SERVICE & SALES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OVERALL
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width0.0800 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
hole_diameter0.3600 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM FIRST IN
overall_length0.8500 INCHES MINIMUM AND 0.8610 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
hardness_rating37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
precious_materialSILVER
surface_treatmentLEAD AND SILVER OUTSIDE DIAMETER SURFACE OF BODY
body_inside_diameter0.5628 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
body_outside_diameter0.8101 INCHES MINIMUM AND 0.8105 INCHES MAXIMUM IN
NSN3120-00-345-9496
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SS74340 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
SURFACE TREATMENT: LEAD AND SILVER RIGHT END SURFACE OF LEFT FLANGE
•
BODY OUTSIDE DIAMETER: 0.8101 INCHES MINIMUM AND 0.8105 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.5628 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0800 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE INSIDE RIGHT CORNER
SURFACE TREATMENTLEAD AND SILVER RIGHT END SURFACE OF LEFT FLANGE
CORNER SHAPESQUARE INSIDE LEFT CORNER
BODY OUTSIDE DIAMETER0.8101 INCHES MINIMUM AND 0.8105 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.5628 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONGAS TURBINE POWER UNIT NON-ACFT
OVERALL LENGTH0.8500 INCHES MINIMUM AND 0.8610 INCHES MAXIMUM IN
FLANGE WIDTH0.0800 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
PRECIOUS MATERIALSILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3-858IPC9Interchangeable
interchangeable cross-reference
interchangeable
74-340Interchangeable
interchangeable cross-reference
interchangeable
057-6922Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS74340?
SS74340 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace SS74340?
There are 3 known substitutes for SS74340: 3-858IPC9, 74-340, 057-6922. Substitute compatibility should be verified for your specific system.
What is the NSN for SS74340?
SS74340 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-345-9496. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026