PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 721775
721775 ✓ 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 BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, neck_width: 0.625 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, neck_length: 0.807 INCHES MINIMUM AND 0.981 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 1.031 INCHES MINIMUM AND 1.093 INCHES MAXIMUM 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 5306-00-096-6049, 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
721775
NSN: 5306-00-096-6049
FSC: 5306
CAGE: 00447 — WABCO CONSTRUCTION AND MINING EQUIPMENT GROUP INDIANAPOLIS PLANT AN AMERICAN STANDARD INC CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
neck_width0.625 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
neck_length0.807 INCHES MINIMUM AND 0.981 INCHES MAXIMUM IN
thread_class2A A
head_diameter1.031 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN
thread_length1.875 INCHES MINIMUM IN
fastener_length3.188 INCHES MINIMUM AND 3.312 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES NOMINAL
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
NSN5306-00-096-6049
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 721775 · 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
•
MATERIAL: STEEL OVERALL
•
COUNTERSINK ANGLE: 80.0 DEGREES NOMINAL
•
THREAD QUANTITY PER INCH: 18
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 1.875 INCHES MINIMUM IN
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 3.188 INCHES MINIMUM AND 3.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
COUNTERSINK ANGLE80.0 DEGREES NOMINAL
THREAD QUANTITY PER INCH18
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.875 INCHES MINIMUM IN
THREAD CLASS2A A
FASTENER LENGTH3.188 INCHES MINIMUM AND 3.312 INCHES MAXIMUM IN
HEAD DIAMETER1.031 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
404210Interchangeable
interchangeable cross-reference
interchangeable
301822Interchangeable
interchangeable cross-reference
interchangeable
942406Interchangeable
interchangeable cross-reference
interchangeable
S417N514-301Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 721775?
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 721775?
721775 is a BOLT,SQUARE NECK.
What parts can replace 721775?
There are 4 known substitutes for 721775: 404210, 301822, 942406 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 721775?
721775 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-096-6049. 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 — 721775

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