PartsTable
Technical Data Sheet
20502-12 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.103 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_length: 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-0628, 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
20502-12
NSN: 5305-00-151-0628
FSC: 5305
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
SPECIFICATIONS
head_styleROUND
head_height0.103 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_length0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
NSN5305-00-151-0628
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20502-12 · 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 QUANTITY PER INCH: 32
HEAD DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SCREW MATERIAL: COPPER ALLOY
THREAD DIRECTION: RIGHT-HAND
HEAD HEIGHT: 0.103 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH: 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
HEAD DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SCREW MATERIALCOPPER ALLOY
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.103 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
6095Interchangeable
interchangeable cross-reference
interchangeable
Y112F202Interchangeable
interchangeable cross-reference
interchangeable
9T35Y858Interchangeable
interchangeable cross-reference
interchangeable
1223Interchangeable
interchangeable cross-reference
interchangeable
155-3953-44Interchangeable
interchangeable cross-reference
interchangeable
57460Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20502-12?
20502-12 is a SCREW,MACHINE.
What parts can replace 20502-12?
There are 9 known substitutes for 20502-12: 6095, Y112F202, 9T35Y858 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20502-12?
20502-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-0628. This indicates validated use in U.S. government and defense supply chains.
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