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PartsTable / COMPONENT / 498D3
498D3 ✓ 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: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_length: 0.320 INCHES MAXIMUM IN, screw_material: STEEL COMP 1212. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-637-6698, 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
498D3
NSN: 5305-00-637-6698
FSC: 5305
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_length0.320 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1212
fastener_length0.380 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch32
NSN5305-00-637-6698
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 498D3 · 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 STYLE: FLAT CHAMFER
•
FASTENER LENGTH: 0.380 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5010 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5061 ASSN STD 2ND MATERIAL RESPONSE
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT CHAMFER
FASTENER LENGTH0.380 INCHES MAXIMUM IN
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5010 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5061 ASSN STD 2ND MATERIAL RESPONSE
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD QUANTITY PER INCH32
HEAD HEIGHT0.125 INCHES NOMINAL IN
SCREW MATERIALSTEEL COMP 1212
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3PRF9Interchangeable
interchangeable cross-reference
interchangeable
0A-67724Interchangeable
interchangeable cross-reference
interchangeable
2050Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 498D3?
498D3 is a SCREW,MACHINE.
What parts can replace 498D3?
There are 3 known substitutes for 498D3: 3PRF9, 0A-67724, 2050. Substitute compatibility should be verified for your specific system.
Is 498D3 still available?
498D3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026