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20506-65 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20506-65: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, thread_length: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, fastener_length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-1885, 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
20506-65
NSN: 5305-00-013-1885
FSC: 5305 — Screws
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
thread_length0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
fastener_length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentCADMIUM OR ZINC
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
screw_material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES
NSN5305-00-013-1885
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20506-65 · 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: 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FILLISTER
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES
THREAD LENGTH0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES 8
31036S7Reference document
Same NSN cross-reference
Reference document — Secondary reference
AC500-6-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
296B70Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN500-6-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFS92ANDTYPE1ANDSTYLE4SReference document
Same NSN cross-reference
Reference document — Identification reference
62-312C2-89Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20506-65?
20506-65 is a SCREW,MACHINE.
What parts can replace 20506-65?
There are 8 known substitutes for 20506-65: 31036S7, AC500-6-5, 296B70 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20506-65?
20506-65 is cataloged in the U.S. Government catalog under NSN 5305-00-013-1885. This indicates validated use in U.S. government and defense supply chains.
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