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PartsTable / COMPONENT / FF-B-584 TY1CL1STA
FF-B-584 TY1CL1STA ✓ 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: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, head_height: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, neck_length: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-248-8699, 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
FF-B-584 TY1CL1STA
NSN: 5306-00-248-8699
FSC: 5306
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
neck_width0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
head_height0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
neck_length0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
thread_length1.000 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
special_featuresFURNISHED WITH ONE SQUARE NUT IN ACCORDANCE WITH FEDERAL SPECIFICATION FF-N-836 TYPE1 STYLE1
thread_directionRIGHT-HAND
NSN5306-00-248-8699
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FF-B-584 TY1CL1STA · 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
•
NECK LENGTH: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NECK WIDTH: 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 7.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 11
TECHNICAL CHARACTERISTICS (FLIS)
NECK LENGTH0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NECK WIDTH0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH7.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH11
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
ANSI B18.5Upgraded Successor
successor cross-reference
successor
FF-B-584Upgraded Successor
successor cross-reference
successor
FF-B-584 TY1CL1STAUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-584 TY1CL1STA?
FF-B-584 TY1CL1STA is a BOLT,SQUARE NECK.
What parts can replace FF-B-584 TY1CL1STA?
There are 3 known substitutes for FF-B-584 TY1CL1STA: ANSI B18.5, FF-B-584, FF-B-584 TY1CL1STA. Substitute compatibility should be verified for your specific system.
Is FF-B-584 TY1CL1STA still available?
FF-B-584 TY1CL1STA 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