PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 43D13
43D13 ✓ 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,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.156 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-902-1059, 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
43D13
NSN: 5305-00-902-1059
FSC: 5305
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.250 INCHES NOMINAL IN
thread_length0.156 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.469 INCHES NOMINAL IN
shoulder_length0.313 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.125 INCHES NOMINAL FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-00-902-1059
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 43D13 · 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
•
SHOULDER LENGTH: 0.313 INCHES NOMINAL FIRST SHOULDER IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD CLASS: 2A A
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FASTENER LENGTH: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT CHAMFER
SHOULDER LENGTH0.313 INCHES NOMINAL FIRST SHOULDER IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
SHOULDER SHAPEROUND FIRST SHOULDER
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
SURFACE TREATMENTPASSIVATE OVERALL
FASTENER LENGTH0.469 INCHES NOMINAL IN
HEAD DIAMETER0.250 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
431-3Interchangeable
interchangeable cross-reference
interchangeable
820D330Interchangeable
interchangeable cross-reference
interchangeable
1GInterchangeable
interchangeable cross-reference
interchangeable
313KGInterchangeable
interchangeable cross-reference
interchangeable
313SGInterchangeable
interchangeable cross-reference
interchangeable
P37792Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 43D13?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 43D13?
43D13 is a SCREW,SHOULDER.
What parts can replace 43D13?
There are 26 known substitutes for 43D13: 431-3, 820D330, 1G and 23 more. Substitute compatibility should be verified for your specific system.
Is 43D13 still available?
43D13 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 43D13

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026