PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 411200-81
411200-81 ✓ 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 COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.219 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.500 INCHES NOMINAL IN, thread_length: 0.438 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-064-6260, 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
411200-81
NSN: 5305-01-064-6260
FSC: 5305
CAGE: 06540 — NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.219 INCHES NOMINAL IN
thread_class2A A
head_diameter0.500 INCHES NOMINAL IN
thread_length0.438 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.813 INCHES NOMINAL IN
shoulder_length0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
width_across_flats0.156 INCHES NOMINAL IN
NSN5305-01-064-6260
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 411200-81 · 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: 20
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
SHOULDER LENGTH: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD HEIGHT: 0.219 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
MATERIALSTEEL COMP 303 OVERALL
SHOULDER LENGTH0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.438 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD HEIGHT0.219 INCHES NOMINAL IN
THREAD CLASS2A A
HEAD STYLEFLAT CHAMFER
FASTENER LENGTH0.813 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4444Interchangeable
interchangeable cross-reference
interchangeable
UP2T066BInterchangeable
interchangeable cross-reference
interchangeable
3420AInterchangeable
interchangeable cross-reference
interchangeable
EPSSInterchangeable
interchangeable cross-reference
interchangeable
4440Interchangeable
interchangeable cross-reference
interchangeable
MS15795-209Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 411200-81?
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 411200-81?
411200-81 is a SCREW,SHOULDER.
What parts can replace 411200-81?
There are 17 known substitutes for 411200-81: 4444, UP2T066B, 3420A and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 411200-81?
411200-81 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-064-6260. This indicates validated use in U.S. government and defense supply chains.
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 — 411200-81

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