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PartsTable / COMPONENT / 502899
502899 ✓ 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: BINDING, head_height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, thread_length: 0.750 INCHES NOMINAL 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 5305-00-050-2899, 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
502899
NSN: 5305-00-050-2899
FSC: 5305
CAGE: 00000
SPECIFICATIONS
head_styleBINDING
head_height0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
thread_length0.750 INCHES NOMINAL IN
screw_materialSTEEL COMP 303
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5305-00-050-2899
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 502899 · 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 LENGTH: 0.750 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD STYLE: BINDING
•
THREAD CLASS: 2A A
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 CL 7 TY A FED SPEC SINGLE MATERIAL RESPONSE
•
HEAD DIAMETER: 0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.750 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
HEAD STYLEBINDING
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 CL 7 TY A FED SPEC SINGLE MATERIAL RESPONSE
HEAD DIAMETER0.326 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
HEAD HEIGHT0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 8S STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
AN515C-8-12Interchangeable
interchangeable cross-reference
interchangeable
112-0782-047Interchangeable
interchangeable cross-reference
interchangeable
0453-279Interchangeable
interchangeable cross-reference
interchangeable
585-750C2-52Interchangeable
Same NIIN cross-reference
interchangeable
207M0117P054Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 502899?
502899 is a SCREW,MACHINE.
What parts can replace 502899?
There are 5 known substitutes for 502899: AN515C-8-12, 112-0782-047, 0453-279 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 502899?
502899 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-050-2899. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026