PartsTable
Technical Data Sheet
Download PDF

65589-6 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

65589-6: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-166-0971, 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
65589-6
NSN: 5306-01-166-0971
NIINs: 011660971, 013231837
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleFLAT CHAMFER
head_height0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
thread_class3A A
head_diameter1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
hole_diameter0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
hole_quantity1
thread_length0.820 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN
hardness_rating55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
NSN5306-01-166-0971
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 65589-6 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.763 INCHES MINIMUM AND 0.764 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.820 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: ROUND INTERNAL HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
FASTENER LENGTH2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN
SHOULDER LENGTH2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.763 INCHES MINIMUM AND 0.764 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.820 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEFLAT CHAMFER
SUBSTITUTES & CROSS-REFERENCES 1
C2898-6Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 65589-6?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 65589-6?
65589-6 is a MICROCIRCUIT,DIGITAL.
What parts can replace 65589-6?
There is 1 known substitute for 65589-6: C2898-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 65589-6?
65589-6 is cataloged in the U.S. Government catalog under NSN 5306-01-166-0971. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 65589-6

✓ 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.