PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FFB584TYPE1CLASS1STYLEA
FFB584TYPE1CLASS1STYLEA ✓ 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: BUTTON, neck_width: 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN, head_height: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, neck_length: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-125-5729, 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
FFB584TYPE1CLASS1STYLEA
NSN: 5306-00-125-5729
FSC: 5306
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
neck_width0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
head_height0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
neck_length0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
thread_class2A A
head_diameter1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN
thread_length1.250 INCHES MINIMUM IN
fastener_length5.400 INCHES MINIMUM AND 5.560 INCHES MAXIMUM IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OR CADMIUM OR ZINC OVERALL
NSN5306-00-125-5729
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFB584TYPE1CLASS1STYLEA · 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
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD LENGTH: 1.125 INCHES MINIMUM IN
•
HEAD STYLE: BUTTON
•
FASTENER LENGTH: 7.938 INCHES MINIMUM AND 8.062 INCHES MAXIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
NECK WIDTH: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD LENGTH1.125 INCHES MINIMUM IN
HEAD STYLEBUTTON
FASTENER LENGTH7.938 INCHES MINIMUM AND 8.062 INCHES MAXIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NECK WIDTH0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
109115Upgraded Successor
successor cross-reference
successor
120955Upgraded Successor
successor cross-reference
successor
FFB584Upgraded Successor
successor cross-reference
successor
MT58Upgraded Successor
successor cross-reference
successor
MS35751-19Upgraded Successor
successor cross-reference
successor
MS35752&11Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy FFB584TYPE1CLASS1STYLEA?
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 FFB584TYPE1CLASS1STYLEA?
FFB584TYPE1CLASS1STYLEA is a BOLT,SQUARE NECK.
What parts can replace FFB584TYPE1CLASS1STYLEA?
There are 15 known substitutes for FFB584TYPE1CLASS1STYLEA: 109115, 120955, FFB584 and 12 more. Substitute compatibility should be verified for your specific system.
Is FFB584TYPE1CLASS1STYLEA still available?
FFB584TYPE1CLASS1STYLEA 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 — FFB584TYPE1CLASS1STYLEA

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