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Technical Data Sheet
PartsTable / COMPONENT / 589-444
589-444 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The MICROCIRCUIT,LINEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL, body_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, head_style: HEXAGON, body_height: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, body_length: 0.740 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN, head_height: 0.315 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-292-0936, 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
589-444
NSN: 5305-00-292-0936
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
body_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
head_styleHEXAGON
body_height0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
body_length0.740 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
head_height0.315 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
point_styleCUP
thread_class3A A
thread_length0.500 INCHES MAXIMUM IN
fastener_length0.500 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
special_featuresWEAPON SYSTEM ESSENTIAL
NSN5305-00-292-0936
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 589-444 · 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
•
THREAD SERIES DESIGNATOR: UNF
•
INTERNAL DRIVE STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
•
POINT STYLE: CUP
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.438 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
POINT STYLECUP
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
589-444Interchangeable
interchangeable cross-reference
interchangeable
SG3524JInterchangeable
interchangeable cross-reference
interchangeable
3524CNInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 589-444?
589-444 is a MICROCIRCUIT,LINEAR.
What parts can replace 589-444?
There are 3 known substitutes for 589-444: 589-444, SG3524J, 3524CN. Substitute compatibility should be verified for your specific system.
Is 589-444 still available?
589-444 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026