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58A164C523 — BOLT,SQUARE NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

58A164C523: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, neck_width: 0.106 INCHES NOMINAL IN, neck_length: 0.906 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.344 INCHES NOMINAL IN, fastener_length: 0.906 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-203-4456, 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
58A164C523
NSN: 5306-00-203-4456
FSC: 5306 — Bolts
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
neck_width0.106 INCHES NOMINAL IN
neck_length0.906 INCHES NOMINAL IN
thread_class2A A
thread_length0.344 INCHES NOMINAL IN
fastener_length0.906 INCHES NOMINAL IN
special_featuresITEM HAS A TRIANGULAR HEAD
thread_directionRIGHT-HAND
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-203-4456
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 58A164C523 · 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
•
NECK LENGTH: 0.906 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.906 INCHES NOMINAL IN
•
THREAD LENGTH: 0.344 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
NECK WIDTH: 0.106 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
NECK LENGTH0.906 INCHES NOMINAL IN
FASTENER LENGTH0.906 INCHES NOMINAL IN
THREAD LENGTH0.344 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
THREAD DIRECTIONRIGHT-HAND
NECK WIDTH0.106 INCHES NOMINAL IN
SPECIAL FEATURESITEM HAS A TRIANGULAR HEAD
THREAD CLASS2A A
THREAD QUANTITY PER INCH32
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 58A164C523?
58A164C523 is a BOLT,SQUARE NECK.
What is the NSN for 58A164C523?
58A164C523 is cataloged in the U.S. Government catalog under NSN 5306-00-203-4456. 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.