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ES501A6-23 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ES501A6-23: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.170 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.226 INCHES NOMINAL IN, thread_length: 1.388 INCHES MINIMUM IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-207-8235, 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
ES501A6-23
NSN: 5305-00-207-8235
FSC: 5305 — Screws
CAGE: 17472 — EATON AEROSPACE LLC DBA EATON INOAC DIV FUEL & MOTION CONTROL SYSTEMS DIVISION (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.170 INCHES NOMINAL IN
thread_class2A A
head_diameter0.226 INCHES NOMINAL IN
thread_length1.388 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length1.438 INCHES NOMINAL IN
special_features1 DRILLED HOLE
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentCADMIUM
NSN5305-00-207-8235
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ES501A6-23 · 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: 0.170 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 1.438 INCHES NOMINAL IN
•
THREAD LENGTH: 1.388 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.170 INCHES NOMINAL IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH1.438 INCHES NOMINAL IN
THREAD LENGTH1.388 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURES1 DRILLED HOLE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ES501A6-23?
ES501A6-23 is a SCREW,MACHINE.
What is the NSN for ES501A6-23?
ES501A6-23 is cataloged in the U.S. Government catalog under NSN 5305-00-207-8235. 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.