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Technical Data Sheet
PartsTable / COMPONENT / 8599273-146
8599273-146 ✓ 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: PAN NO. 2, head_height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.231 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, thread_length: 0.312 INCHES MAXIMUM IN, screw_material: STEEL COMP 303.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-038-2869, 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
8599273-146
NSN: 5305-00-038-2869
FSC: 5305
CAGE: 09691 — L3HARRIS MAS INC DIV L3HARRIS MAS INC. (CAN)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.231 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
thread_length0.312 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.125 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch40
NSN5305-00-038-2869
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8599273-146 · 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
•
SCREW MATERIAL: STEEL COMP 303
•
FASTENER LENGTH: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 40
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 0.231 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIALSTEEL COMP 303
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
THREAD CLASS2A A
HEAD DIAMETER0.231 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
HEAD HEIGHT0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
THREAD LENGTH0.312 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
24435Interchangeable
interchangeable cross-reference
interchangeable
24438Interchangeable
interchangeable cross-reference
interchangeable
5030SInterchangeable
interchangeable cross-reference
interchangeable
5036FInterchangeable
interchangeable cross-reference
interchangeable
V-1133Interchangeable
interchangeable cross-reference
interchangeable
23710 ITEM 11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8599273-146?
8599273-146 is a SCREW,MACHINE.
What parts can replace 8599273-146?
There are 9 known substitutes for 8599273-146: 24435, 24438, 5030S and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8599273-146?
8599273-146 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-038-2869. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026